Home / 7,013,279.16-9,678,230.04-3,915,850.20

Finding the Fourth Proportional to 7,013,279.16, 9,678,230.04 and 3,915,850.20

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Solution

The fourth proportional to 7,013,279.16, 9,678,230.04 and 3,915,850.20 is: 5,403,820.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013,279.16 : 9,678,230.04 = 3,915,850.20 : x
  2. Step 2: Convert to fraction form
    7,013,279.16/9,678,230.04 = 3,915,850.20/x
  3. Step 3: Cross multiply
    7,013,279.16x = 9,678,230.04 × 3,915,850.20
  4. Step 4: Simplify right side
    7,013,279.16x = 37,898,499,037,780.01
  5. Step 5: Solve for x
    x = 37,898,499,037,780.01/7,013,279.16
  6. Step 6: Final answer
    x = 5,403,820.12

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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.