Home / 21,492,006.30-32,238,009.45-20,260,287.90

Finding the Fourth Proportional to 21,492,006.30, 32,238,009.45 and 20,260,287.90

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Solution

The fourth proportional to 21,492,006.30, 32,238,009.45 and 20,260,287.90 is: 30,390,431.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,492,006.30 : 32,238,009.45 = 20,260,287.90 : x
  2. Step 2: Convert to fraction form
    21,492,006.30/32,238,009.45 = 20,260,287.90/x
  3. Step 3: Cross multiply
    21,492,006.30x = 32,238,009.45 × 20,260,287.90
  4. Step 4: Simplify right side
    21,492,006.30x = 653,151,352,779,920.62
  5. Step 5: Solve for x
    x = 653,151,352,779,920.62/21,492,006.30
  6. Step 6: Final answer
    x = 30,390,431.85

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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.