Home / 20,484,581.34-28,268,392.26-11,191,951.92

Finding the Fourth Proportional to 20,484,581.34, 28,268,392.26 and 11,191,951.92

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Solution

The fourth proportional to 20,484,581.34, 28,268,392.26 and 11,191,951.92 is: 15,444,713.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,484,581.34 : 28,268,392.26 = 11,191,951.92 : x
  2. Step 2: Convert to fraction form
    20,484,581.34/28,268,392.26 = 11,191,951.92/x
  3. Step 3: Cross multiply
    20,484,581.34x = 28,268,392.26 × 11,191,951.92
  4. Step 4: Simplify right side
    20,484,581.34x = 316,378,487,029,620.12
  5. Step 5: Solve for x
    x = 316,378,487,029,620.12/20,484,581.34
  6. Step 6: Final answer
    x = 15,444,713.36

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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.