Home / 8,784,036.75-12,120,248.07-5,518,959.81

Finding the Fourth Proportional to 8,784,036.75, 12,120,248.07 and 5,518,959.81

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Solution

The fourth proportional to 8,784,036.75, 12,120,248.07 and 5,518,959.81 is: 7,615,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784,036.75 : 12,120,248.07 = 5,518,959.81 : x
  2. Step 2: Convert to fraction form
    8,784,036.75/12,120,248.07 = 5,518,959.81/x
  3. Step 3: Cross multiply
    8,784,036.75x = 12,120,248.07 × 5,518,959.81
  4. Step 4: Simplify right side
    8,784,036.75x = 66,891,161,924,584.30
  5. Step 5: Solve for x
    x = 66,891,161,924,584.30/8,784,036.75
  6. Step 6: Final answer
    x = 7,615,082.20

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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.