Home / 8,782,489.79-12,127,275.77-5,520,355.11

Finding the Fourth Proportional to 8,782,489.79, 12,127,275.77 and 5,520,355.11

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Solution

The fourth proportional to 8,782,489.79, 12,127,275.77 and 5,520,355.11 is: 7,622,766.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782,489.79 : 12,127,275.77 = 5,520,355.11 : x
  2. Step 2: Convert to fraction form
    8,782,489.79/12,127,275.77 = 5,520,355.11/x
  3. Step 3: Cross multiply
    8,782,489.79x = 12,127,275.77 × 5,520,355.11
  4. Step 4: Simplify right side
    8,782,489.79x = 66,946,868,739,696.91
  5. Step 5: Solve for x
    x = 66,946,868,739,696.91/8,782,489.79
  6. Step 6: Final answer
    x = 7,622,766.48

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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.