Home / 35,430,918.40-53,143,612.80-13,861,331.20

Finding the Fourth Proportional to 35,430,918.40, 53,143,612.80 and 13,861,331.20

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Solution

The fourth proportional to 35,430,918.40, 53,143,612.80 and 13,861,331.20 is: 20,790,915.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,430,918.40 : 53,143,612.80 = 13,861,331.20 : x
  2. Step 2: Convert to fraction form
    35,430,918.40/53,143,612.80 = 13,861,331.20/x
  3. Step 3: Cross multiply
    35,430,918.40x = 53,143,612.80 × 13,861,331.20
  4. Step 4: Simplify right side
    35,430,918.40x = 736,641,218,185,359.25
  5. Step 5: Solve for x
    x = 736,641,218,185,359.25/35,430,918.40
  6. Step 6: Final answer
    x = 20,790,915.15

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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.