Home / 7,176,720.88-9,904,113.95-3,913,714.14

Finding the Fourth Proportional to 7,176,720.88, 9,904,113.95 and 3,913,714.14

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Solution

The fourth proportional to 7,176,720.88, 9,904,113.95 and 3,913,714.14 is: 5,401,055.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176,720.88 : 9,904,113.95 = 3,913,714.14 : x
  2. Step 2: Convert to fraction form
    7,176,720.88/9,904,113.95 = 3,913,714.14/x
  3. Step 3: Cross multiply
    7,176,720.88x = 9,904,113.95 × 3,913,714.14
  4. Step 4: Simplify right side
    7,176,720.88x = 38,761,870,810,286.25
  5. Step 5: Solve for x
    x = 38,761,870,810,286.25/7,176,720.88
  6. Step 6: Final answer
    x = 5,401,055.92

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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.