Home / 19,781,949.80-29,672,924.70-5,404,502.45

Finding the Fourth Proportional to 19,781,949.80, 29,672,924.70 and 5,404,502.45

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Solution

The fourth proportional to 19,781,949.80, 29,672,924.70 and 5,404,502.45 is: 8,106,753.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,781,949.80 : 29,672,924.70 = 5,404,502.45 : x
  2. Step 2: Convert to fraction form
    19,781,949.80/29,672,924.70 = 5,404,502.45/x
  3. Step 3: Cross multiply
    19,781,949.80x = 29,672,924.70 × 5,404,502.45
  4. Step 4: Simplify right side
    19,781,949.80x = 160,367,394,239,815.53
  5. Step 5: Solve for x
    x = 160,367,394,239,815.53/19,781,949.80
  6. Step 6: Final answer
    x = 8,106,753.68

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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.