Home / 8,515,419.90-12,773,129.85-5,492,111.10

Finding the Fourth Proportional to 8,515,419.90, 12,773,129.85 and 5,492,111.10

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Solution

The fourth proportional to 8,515,419.90, 12,773,129.85 and 5,492,111.10 is: 8,238,166.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515,419.90 : 12,773,129.85 = 5,492,111.10 : x
  2. Step 2: Convert to fraction form
    8,515,419.90/12,773,129.85 = 5,492,111.10/x
  3. Step 3: Cross multiply
    8,515,419.90x = 12,773,129.85 × 5,492,111.10
  4. Step 4: Simplify right side
    8,515,419.90x = 70,151,448,230,926.33
  5. Step 5: Solve for x
    x = 70,151,448,230,926.33/8,515,419.90
  6. Step 6: Final answer
    x = 8,238,166.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.