Home / 15,000,435.72-20,699,526.52-8,805,733.92

Finding the Fourth Proportional to 15,000,435.72, 20,699,526.52 and 8,805,733.92

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Solution

The fourth proportional to 15,000,435.72, 20,699,526.52 and 8,805,733.92 is: 12,151,281.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000,435.72 : 20,699,526.52 = 8,805,733.92 : x
  2. Step 2: Convert to fraction form
    15,000,435.72/20,699,526.52 = 8,805,733.92/x
  3. Step 3: Cross multiply
    15,000,435.72x = 20,699,526.52 × 8,805,733.92
  4. Step 4: Simplify right side
    15,000,435.72x = 182,274,522,805,103.56
  5. Step 5: Solve for x
    x = 182,274,522,805,103.56/15,000,435.72
  6. Step 6: Final answer
    x = 12,151,281.88

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1.5x scale

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.