Home / 8,477,470.65-11,729,716.07-7,392,005.85

Finding the Fourth Proportional to 8,477,470.65, 11,729,716.07 and 7,392,005.85

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Solution

The fourth proportional to 8,477,470.65, 11,729,716.07 and 7,392,005.85 is: 10,227,830.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,477,470.65 : 11,729,716.07 = 7,392,005.85 : x
  2. Step 2: Convert to fraction form
    8,477,470.65/11,729,716.07 = 7,392,005.85/x
  3. Step 3: Cross multiply
    8,477,470.65x = 11,729,716.07 × 7,392,005.85
  4. Step 4: Simplify right side
    8,477,470.65x = 86,706,129,771,318.97
  5. Step 5: Solve for x
    x = 86,706,129,771,318.97/8,477,470.65
  6. Step 6: Final answer
    x = 10,227,830.13

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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.