Home / 8,085,281.20-12,127,921.80-7,500,696.10

Finding the Fourth Proportional to 8,085,281.20, 12,127,921.80 and 7,500,696.10

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Solution

The fourth proportional to 8,085,281.20, 12,127,921.80 and 7,500,696.10 is: 11,251,044.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,281.20 : 12,127,921.80 = 7,500,696.10 : x
  2. Step 2: Convert to fraction form
    8,085,281.20/12,127,921.80 = 7,500,696.10/x
  3. Step 3: Cross multiply
    8,085,281.20x = 12,127,921.80 × 7,500,696.10
  4. Step 4: Simplify right side
    8,085,281.20x = 90,967,855,746,364.98
  5. Step 5: Solve for x
    x = 90,967,855,746,364.98/8,085,281.20
  6. Step 6: Final answer
    x = 11,251,044.15

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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.