Home / 28,172,660.28-42,273,402-13,417,458.88

Finding the Fourth Proportional to 28,172,660.28, 42,273,402 and 13,417,458.88

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Solution

The fourth proportional to 28,172,660.28, 42,273,402 and 13,417,458.88 is: 20,133,051.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,172,660.28 : 42,273,402 = 13,417,458.88 : x
  2. Step 2: Convert to fraction form
    28,172,660.28/42,273,402 = 13,417,458.88/x
  3. Step 3: Cross multiply
    28,172,660.28x = 42,273,402 × 13,417,458.88
  4. Step 4: Simplify right side
    28,172,660.28x = 567,201,633,052,709.75
  5. Step 5: Solve for x
    x = 567,201,633,052,709.75/28,172,660.28
  6. Step 6: Final answer
    x = 20,133,051.95

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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.