Home / 14,876,645.28-20,530,284.40-8,261,345.04

Finding the Fourth Proportional to 14,876,645.28, 20,530,284.40 and 8,261,345.04

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Solution

The fourth proportional to 14,876,645.28, 20,530,284.40 and 8,261,345.04 is: 11,400,941.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,876,645.28 : 20,530,284.40 = 8,261,345.04 : x
  2. Step 2: Convert to fraction form
    14,876,645.28/20,530,284.40 = 8,261,345.04/x
  3. Step 3: Cross multiply
    14,876,645.28x = 20,530,284.40 × 8,261,345.04
  4. Step 4: Simplify right side
    14,876,645.28x = 169,607,763,197,729.38
  5. Step 5: Solve for x
    x = 169,607,763,197,729.38/14,876,645.28
  6. Step 6: Final answer
    x = 11,400,941.54

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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.