Home / 8,085,278.60-12,127,917.90-7,288,117.10

Finding the Fourth Proportional to 8,085,278.60, 12,127,917.90 and 7,288,117.10

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Solution

The fourth proportional to 8,085,278.60, 12,127,917.90 and 7,288,117.10 is: 10,932,175.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,278.60 : 12,127,917.90 = 7,288,117.10 : x
  2. Step 2: Convert to fraction form
    8,085,278.60/12,127,917.90 = 7,288,117.10/x
  3. Step 3: Cross multiply
    8,085,278.60x = 12,127,917.90 × 7,288,117.10
  4. Step 4: Simplify right side
    8,085,278.60x = 88,389,685,834,386.09
  5. Step 5: Solve for x
    x = 88,389,685,834,386.09/8,085,278.60
  6. Step 6: Final answer
    x = 10,932,175.65

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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.