Home / 19,722,399.90-29,563,479.45-13,333,298.10

Finding the Fourth Proportional to 19,722,399.90, 29,563,479.45 and 13,333,298.10

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Solution

The fourth proportional to 19,722,399.90, 29,563,479.45 and 13,333,298.10 is: 19,986,344.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722,399.90 : 29,563,479.45 = 13,333,298.10 : x
  2. Step 2: Convert to fraction form
    19,722,399.90/29,563,479.45 = 13,333,298.10/x
  3. Step 3: Cross multiply
    19,722,399.90x = 29,563,479.45 × 13,333,298.10
  4. Step 4: Simplify right side
    19,722,399.90x = 394,178,684,380,074
  5. Step 5: Solve for x
    x = 394,178,684,380,074/19,722,399.90
  6. Step 6: Final answer
    x = 19,986,344.78

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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.