Home / 8,940,959.20-12,338,788.04-6,332,130.64

Finding the Fourth Proportional to 8,940,959.20, 12,338,788.04 and 6,332,130.64

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Solution

The fourth proportional to 8,940,959.20, 12,338,788.04 and 6,332,130.64 is: 8,738,527.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940,959.20 : 12,338,788.04 = 6,332,130.64 : x
  2. Step 2: Convert to fraction form
    8,940,959.20/12,338,788.04 = 6,332,130.64/x
  3. Step 3: Cross multiply
    8,940,959.20x = 12,338,788.04 × 6,332,130.64
  4. Step 4: Simplify right side
    8,940,959.20x = 78,130,817,808,549.53
  5. Step 5: Solve for x
    x = 78,130,817,808,549.53/8,940,959.20
  6. Step 6: Final answer
    x = 8,738,527.50

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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.