Home / 13,578,061.50-18,737,763.66-7,383,110.63

Finding the Fourth Proportional to 13,578,061.50, 18,737,763.66 and 7,383,110.63

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Solution

The fourth proportional to 13,578,061.50, 18,737,763.66 and 7,383,110.63 is: 10,188,713.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,578,061.50 : 18,737,763.66 = 7,383,110.63 : x
  2. Step 2: Convert to fraction form
    13,578,061.50/18,737,763.66 = 7,383,110.63/x
  3. Step 3: Cross multiply
    13,578,061.50x = 18,737,763.66 × 7,383,110.63
  4. Step 4: Simplify right side
    13,578,061.50x = 138,342,982,060,573.70
  5. Step 5: Solve for x
    x = 138,342,982,060,573.70/13,578,061.50
  6. Step 6: Final answer
    x = 10,188,713.76

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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.