Home / 21,192,609.66-31,742,567.67-15,025,898.88

Finding the Fourth Proportional to 21,192,609.66, 31,742,567.67 and 15,025,898.88

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Solution

The fourth proportional to 21,192,609.66, 31,742,567.67 and 15,025,898.88 is: 22,505,987.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,192,609.66 : 31,742,567.67 = 15,025,898.88 : x
  2. Step 2: Convert to fraction form
    21,192,609.66/31,742,567.67 = 15,025,898.88/x
  3. Step 3: Cross multiply
    21,192,609.66x = 31,742,567.67 × 15,025,898.88
  4. Step 4: Simplify right side
    21,192,609.66x = 476,960,612,000,977.25
  5. Step 5: Solve for x
    x = 476,960,612,000,977.25/21,192,609.66
  6. Step 6: Final answer
    x = 22,505,987.68

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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.