Home / 20,484,529.56-28,268,320.86-11,191,900.04

Finding the Fourth Proportional to 20,484,529.56, 28,268,320.86 and 11,191,900.04

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Solution

The fourth proportional to 20,484,529.56, 28,268,320.86 and 11,191,900.04 is: 15,444,641.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,484,529.56 : 28,268,320.86 = 11,191,900.04 : x
  2. Step 2: Convert to fraction form
    20,484,529.56/28,268,320.86 = 11,191,900.04/x
  3. Step 3: Cross multiply
    20,484,529.56x = 28,268,320.86 × 11,191,900.04
  4. Step 4: Simplify right side
    20,484,529.56x = 316,376,221,222,425.25
  5. Step 5: Solve for x
    x = 316,376,221,222,425.25/20,484,529.56
  6. Step 6: Final answer
    x = 15,444,641.79

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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.