Home / 12,960,503.70-19,440,755.55-4,438,007.70

Finding the Fourth Proportional to 12,960,503.70, 19,440,755.55 and 4,438,007.70

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Solution

The fourth proportional to 12,960,503.70, 19,440,755.55 and 4,438,007.70 is: 6,657,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,503.70 : 19,440,755.55 = 4,438,007.70 : x
  2. Step 2: Convert to fraction form
    12,960,503.70/19,440,755.55 = 4,438,007.70/x
  3. Step 3: Cross multiply
    12,960,503.70x = 19,440,755.55 × 4,438,007.70
  4. Step 4: Simplify right side
    12,960,503.70x = 86,278,222,824,717.73
  5. Step 5: Solve for x
    x = 86,278,222,824,717.73/12,960,503.70
  6. Step 6: Final answer
    x = 6,657,011.55

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Similar ratio
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1.5x scale

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.