Home / 10,304,879.20-15,457,318.80-2,732,610.40

Finding the Fourth Proportional to 10,304,879.20, 15,457,318.80 and 2,732,610.40

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Solution

The fourth proportional to 10,304,879.20, 15,457,318.80 and 2,732,610.40 is: 4,098,915.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,304,879.20 : 15,457,318.80 = 2,732,610.40 : x
  2. Step 2: Convert to fraction form
    10,304,879.20/15,457,318.80 = 2,732,610.40/x
  3. Step 3: Cross multiply
    10,304,879.20x = 15,457,318.80 × 2,732,610.40
  4. Step 4: Simplify right side
    10,304,879.20x = 42,238,830,108,995.52
  5. Step 5: Solve for x
    x = 42,238,830,108,995.52/10,304,879.20
  6. Step 6: Final answer
    x = 4,098,915.60

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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.