Home / 12,647,891.28-18,971,881.68-3,063,276.24

Finding the Fourth Proportional to 12,647,891.28, 18,971,881.68 and 3,063,276.24

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Solution

The fourth proportional to 12,647,891.28, 18,971,881.68 and 3,063,276.24 is: 4,594,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,647,891.28 : 18,971,881.68 = 3,063,276.24 : x
  2. Step 2: Convert to fraction form
    12,647,891.28/18,971,881.68 = 3,063,276.24/x
  3. Step 3: Cross multiply
    12,647,891.28x = 18,971,881.68 × 3,063,276.24
  4. Step 4: Simplify right side
    12,647,891.28x = 58,116,114,378,435.29
  5. Step 5: Solve for x
    x = 58,116,114,378,435.29/12,647,891.28
  6. Step 6: Final answer
    x = 4,594,925.20

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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.