Home / 14,270,781.42-19,693,729.92-7,744,408.92

Finding the Fourth Proportional to 14,270,781.42, 19,693,729.92 and 7,744,408.92

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Solution

The fourth proportional to 14,270,781.42, 19,693,729.92 and 7,744,408.92 is: 10,687,312.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270,781.42 : 19,693,729.92 = 7,744,408.92 : x
  2. Step 2: Convert to fraction form
    14,270,781.42/19,693,729.92 = 7,744,408.92/x
  3. Step 3: Cross multiply
    14,270,781.42x = 19,693,729.92 × 7,744,408.92
  4. Step 4: Simplify right side
    14,270,781.42x = 152,516,297,660,518.91
  5. Step 5: Solve for x
    x = 152,516,297,660,518.91/14,270,781.42
  6. Step 6: Final answer
    x = 10,687,312.29

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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.