Home / 23,047,889.28-31,806,021.92-12,734,538.90

Finding the Fourth Proportional to 23,047,889.28, 31,806,021.92 and 12,734,538.90

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Solution

The fourth proportional to 23,047,889.28, 31,806,021.92 and 12,734,538.90 is: 17,573,627.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,047,889.28 : 31,806,021.92 = 12,734,538.90 : x
  2. Step 2: Convert to fraction form
    23,047,889.28/31,806,021.92 = 12,734,538.90/x
  3. Step 3: Cross multiply
    23,047,889.28x = 31,806,021.92 × 12,734,538.90
  4. Step 4: Simplify right side
    23,047,889.28x = 405,035,023,330,820
  5. Step 5: Solve for x
    x = 405,035,023,330,820/23,047,889.28
  6. Step 6: Final answer
    x = 17,573,627.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.