Home / 19,815,680.70-29,695,527.45-14,657,859.90

Finding the Fourth Proportional to 19,815,680.70, 29,695,527.45 and 14,657,859.90

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Solution

The fourth proportional to 19,815,680.70, 29,695,527.45 and 14,657,859.90 is: 21,966,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,815,680.70 : 29,695,527.45 = 14,657,859.90 : x
  2. Step 2: Convert to fraction form
    19,815,680.70/29,695,527.45 = 14,657,859.90/x
  3. Step 3: Cross multiply
    19,815,680.70x = 29,695,527.45 × 14,657,859.90
  4. Step 4: Simplify right side
    19,815,680.70x = 435,272,881,018,704.25
  5. Step 5: Solve for x
    x = 435,272,881,018,704.25/19,815,680.70
  6. Step 6: Final answer
    x = 21,966,082.70

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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.