Home / 30,344,800.80-45,517,201.20-17,377,640.40

Finding the Fourth Proportional to 30,344,800.80, 45,517,201.20 and 17,377,640.40

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Solution

The fourth proportional to 30,344,800.80, 45,517,201.20 and 17,377,640.40 is: 26,066,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,344,800.80 : 45,517,201.20 = 17,377,640.40 : x
  2. Step 2: Convert to fraction form
    30,344,800.80/45,517,201.20 = 17,377,640.40/x
  3. Step 3: Cross multiply
    30,344,800.80x = 45,517,201.20 × 17,377,640.40
  4. Step 4: Simplify right side
    30,344,800.80x = 790,981,554,468,048.50
  5. Step 5: Solve for x
    x = 790,981,554,468,048.50/30,344,800.80
  6. Step 6: Final answer
    x = 26,066,460.60

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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.