Home / 7,176,721.75-9,904,115.16-3,913,715.01

Finding the Fourth Proportional to 7,176,721.75, 9,904,115.16 and 3,913,715.01

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Solution

The fourth proportional to 7,176,721.75, 9,904,115.16 and 3,913,715.01 is: 5,401,057.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176,721.75 : 9,904,115.16 = 3,913,715.01 : x
  2. Step 2: Convert to fraction form
    7,176,721.75/9,904,115.16 = 3,913,715.01/x
  3. Step 3: Cross multiply
    7,176,721.75x = 9,904,115.16 × 3,913,715.01
  4. Step 4: Simplify right side
    7,176,721.75x = 38,761,884,199,600.98
  5. Step 5: Solve for x
    x = 38,761,884,199,600.98/7,176,721.75
  6. Step 6: Final answer
    x = 5,401,057.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.