Home / 15,427,620.15-23,121,126.66-8,607,404.60

Finding the Fourth Proportional to 15,427,620.15, 23,121,126.66 and 8,607,404.60

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Solution

The fourth proportional to 15,427,620.15, 23,121,126.66 and 8,607,404.60 is: 12,899,779.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,427,620.15 : 23,121,126.66 = 8,607,404.60 : x
  2. Step 2: Convert to fraction form
    15,427,620.15/23,121,126.66 = 8,607,404.60/x
  3. Step 3: Cross multiply
    15,427,620.15x = 23,121,126.66 × 8,607,404.60
  4. Step 4: Simplify right side
    15,427,620.15x = 199,012,892,055,482.66
  5. Step 5: Solve for x
    x = 199,012,892,055,482.66/15,427,620.15
  6. Step 6: Final answer
    x = 12,899,779.11

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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.