Home / 15,148,255.56-20,898,250.92-9,263,432.40

Finding the Fourth Proportional to 15,148,255.56, 20,898,250.92 and 9,263,432.40

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Solution

The fourth proportional to 15,148,255.56, 20,898,250.92 and 9,263,432.40 is: 12,779,658.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,148,255.56 : 20,898,250.92 = 9,263,432.40 : x
  2. Step 2: Convert to fraction form
    15,148,255.56/20,898,250.92 = 9,263,432.40/x
  3. Step 3: Cross multiply
    15,148,255.56x = 20,898,250.92 × 9,263,432.40
  4. Step 4: Simplify right side
    15,148,255.56x = 193,589,534,675,657.84
  5. Step 5: Solve for x
    x = 193,589,534,675,657.84/15,148,255.56
  6. Step 6: Final answer
    x = 12,779,658.62

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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.