Home / 14,612,354.64-20,167,901.64-8,812,080.72

Finding the Fourth Proportional to 14,612,354.64, 20,167,901.64 and 8,812,080.72

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Solution

The fourth proportional to 14,612,354.64, 20,167,901.64 and 8,812,080.72 is: 12,162,391.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,612,354.64 : 20,167,901.64 = 8,812,080.72 : x
  2. Step 2: Convert to fraction form
    14,612,354.64/20,167,901.64 = 8,812,080.72/x
  3. Step 3: Cross multiply
    14,612,354.64x = 20,167,901.64 × 8,812,080.72
  4. Step 4: Simplify right side
    14,612,354.64x = 177,721,177,204,700.41
  5. Step 5: Solve for x
    x = 177,721,177,204,700.41/14,612,354.64
  6. Step 6: Final answer
    x = 12,162,391.45

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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.