Home / 21,969,761.60-32,934,981.60-8,502,113.60

Finding the Fourth Proportional to 21,969,761.60, 32,934,981.60 and 8,502,113.60

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Solution

The fourth proportional to 21,969,761.60, 32,934,981.60 and 8,502,113.60 is: 12,745,561.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,969,761.60 : 32,934,981.60 = 8,502,113.60 : x
  2. Step 2: Convert to fraction form
    21,969,761.60/32,934,981.60 = 8,502,113.60/x
  3. Step 3: Cross multiply
    21,969,761.60x = 32,934,981.60 × 8,502,113.60
  4. Step 4: Simplify right side
    21,969,761.60x = 280,016,954,977,109.75
  5. Step 5: Solve for x
    x = 280,016,954,977,109.75/21,969,761.60
  6. Step 6: Final answer
    x = 12,745,561.84

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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.