Home / 7,776,752.40-11,665,128.60-7,115,403.60

Finding the Fourth Proportional to 7,776,752.40, 11,665,128.60 and 7,115,403.60

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Solution

The fourth proportional to 7,776,752.40, 11,665,128.60 and 7,115,403.60 is: 10,673,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,752.40 : 11,665,128.60 = 7,115,403.60 : x
  2. Step 2: Convert to fraction form
    7,776,752.40/11,665,128.60 = 7,115,403.60/x
  3. Step 3: Cross multiply
    7,776,752.40x = 11,665,128.60 × 7,115,403.60
  4. Step 4: Simplify right side
    7,776,752.40x = 83,002,098,034,902.95
  5. Step 5: Solve for x
    x = 83,002,098,034,902.95/7,776,752.40
  6. Step 6: Final answer
    x = 10,673,105.40

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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.