Home / 14,202,005.40-21,303,008.10-9,100,171.80

Finding the Fourth Proportional to 14,202,005.40, 21,303,008.10 and 9,100,171.80

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Solution

The fourth proportional to 14,202,005.40, 21,303,008.10 and 9,100,171.80 is: 13,650,257.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,202,005.40 : 21,303,008.10 = 9,100,171.80 : x
  2. Step 2: Convert to fraction form
    14,202,005.40/21,303,008.10 = 9,100,171.80/x
  3. Step 3: Cross multiply
    14,202,005.40x = 21,303,008.10 × 9,100,171.80
  4. Step 4: Simplify right side
    14,202,005.40x = 193,861,033,566,791.62
  5. Step 5: Solve for x
    x = 193,861,033,566,791.62/14,202,005.40
  6. Step 6: Final answer
    x = 13,650,257.70

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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.