Home / 20,707,432.20-31,060,856.70-9,347,862.60

Finding the Fourth Proportional to 20,707,432.20, 31,060,856.70 and 9,347,862.60

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Solution

The fourth proportional to 20,707,432.20, 31,060,856.70 and 9,347,862.60 is: 14,021,662.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,707,432.20 : 31,060,856.70 = 9,347,862.60 : x
  2. Step 2: Convert to fraction form
    20,707,432.20/31,060,856.70 = 9,347,862.60/x
  3. Step 3: Cross multiply
    20,707,432.20x = 31,060,856.70 × 9,347,862.60
  4. Step 4: Simplify right side
    20,707,432.20x = 290,352,620,669,889.38
  5. Step 5: Solve for x
    x = 290,352,620,669,889.38/20,707,432.20
  6. Step 6: Final answer
    x = 14,021,662.26

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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.