Home / 52,490,334.80-78,735,502.20-18,399,378.80

Finding the Fourth Proportional to 52,490,334.80, 78,735,502.20 and 18,399,378.80

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Solution

The fourth proportional to 52,490,334.80, 78,735,502.20 and 18,399,378.80 is: 27,599,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,490,334.80 : 78,735,502.20 = 18,399,378.80 : x
  2. Step 2: Convert to fraction form
    52,490,334.80/78,735,502.20 = 18,399,378.80/x
  3. Step 3: Cross multiply
    52,490,334.80x = 78,735,502.20 × 18,399,378.80
  4. Step 4: Simplify right side
    52,490,334.80x = 1,448,684,329,986,033.50
  5. Step 5: Solve for x
    x = 1,448,684,329,986,033.50/52,490,334.80
  6. Step 6: Final answer
    x = 27,599,068.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.