Home / 19,338,503.43-29,011,059.95-7,972,738.95

Finding the Fourth Proportional to 19,338,503.43, 29,011,059.95 and 7,972,738.95

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Solution

The fourth proportional to 19,338,503.43, 29,011,059.95 and 7,972,738.95 is: 11,960,470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338,503.43 : 29,011,059.95 = 7,972,738.95 : x
  2. Step 2: Convert to fraction form
    19,338,503.43/29,011,059.95 = 7,972,738.95/x
  3. Step 3: Cross multiply
    19,338,503.43x = 29,011,059.95 × 7,972,738.95
  4. Step 4: Simplify right side
    19,338,503.43x = 231,297,607,604,286.38
  5. Step 5: Solve for x
    x = 231,297,607,604,286.38/19,338,503.43
  6. Step 6: Final answer
    x = 11,960,470.90

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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.