Home / 9,291,143.80-13,936,715.70-7,377,956.20

Finding the Fourth Proportional to 9,291,143.80, 13,936,715.70 and 7,377,956.20

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Solution

The fourth proportional to 9,291,143.80, 13,936,715.70 and 7,377,956.20 is: 11,066,934.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291,143.80 : 13,936,715.70 = 7,377,956.20 : x
  2. Step 2: Convert to fraction form
    9,291,143.80/13,936,715.70 = 7,377,956.20/x
  3. Step 3: Cross multiply
    9,291,143.80x = 13,936,715.70 × 7,377,956.20
  4. Step 4: Simplify right side
    9,291,143.80x = 102,824,478,006,452.34
  5. Step 5: Solve for x
    x = 102,824,478,006,452.34/9,291,143.80
  6. Step 6: Final answer
    x = 11,066,934.30

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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.