Home / 9,936,139.20-14,904,208.80-7,227,758.40

Finding the Fourth Proportional to 9,936,139.20, 14,904,208.80 and 7,227,758.40

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Solution

The fourth proportional to 9,936,139.20, 14,904,208.80 and 7,227,758.40 is: 10,841,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,936,139.20 : 14,904,208.80 = 7,227,758.40 : x
  2. Step 2: Convert to fraction form
    9,936,139.20/14,904,208.80 = 7,227,758.40/x
  3. Step 3: Cross multiply
    9,936,139.20x = 14,904,208.80 × 7,227,758.40
  4. Step 4: Simplify right side
    9,936,139.20x = 107,724,020,349,553.94
  5. Step 5: Solve for x
    x = 107,724,020,349,553.94/9,936,139.20
  6. Step 6: Final answer
    x = 10,841,637.60

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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.