Home / 15,000,816.96-20,699,573.76-8,475,158.88

Finding the Fourth Proportional to 15,000,816.96, 20,699,573.76 and 8,475,158.88

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Solution

The fourth proportional to 15,000,816.96, 20,699,573.76 and 8,475,158.88 is: 11,694,841.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000,816.96 : 20,699,573.76 = 8,475,158.88 : x
  2. Step 2: Convert to fraction form
    15,000,816.96/20,699,573.76 = 8,475,158.88/x
  3. Step 3: Cross multiply
    15,000,816.96x = 20,699,573.76 × 8,475,158.88
  4. Step 4: Simplify right side
    15,000,816.96x = 175,432,176,364,279.03
  5. Step 5: Solve for x
    x = 175,432,176,364,279.03/15,000,816.96
  6. Step 6: Final answer
    x = 11,694,841.48

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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.