Home / 22,143,432.60-33,215,148.90-20,797,115.40

Finding the Fourth Proportional to 22,143,432.60, 33,215,148.90 and 20,797,115.40

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Solution

The fourth proportional to 22,143,432.60, 33,215,148.90 and 20,797,115.40 is: 31,195,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143,432.60 : 33,215,148.90 = 20,797,115.40 : x
  2. Step 2: Convert to fraction form
    22,143,432.60/33,215,148.90 = 20,797,115.40/x
  3. Step 3: Cross multiply
    22,143,432.60x = 33,215,148.90 × 20,797,115.40
  4. Step 4: Simplify right side
    22,143,432.60x = 690,779,284,701,483
  5. Step 5: Solve for x
    x = 690,779,284,701,483/22,143,432.60
  6. Step 6: Final answer
    x = 31,195,673.10

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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.