Home / 15,010,213.14-20,714,167.95-8,134,695.21

Finding the Fourth Proportional to 15,010,213.14, 20,714,167.95 and 8,134,695.21

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Solution

The fourth proportional to 15,010,213.14, 20,714,167.95 and 8,134,695.21 is: 11,225,919.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010,213.14 : 20,714,167.95 = 8,134,695.21 : x
  2. Step 2: Convert to fraction form
    15,010,213.14/20,714,167.95 = 8,134,695.21/x
  3. Step 3: Cross multiply
    15,010,213.14x = 20,714,167.95 × 8,134,695.21
  4. Step 4: Simplify right side
    15,010,213.14x = 168,503,442,802,000.50
  5. Step 5: Solve for x
    x = 168,503,442,802,000.50/15,010,213.14
  6. Step 6: Final answer
    x = 11,225,919.39

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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.