Home / 18,842,479.60-28,305,709.80-18,077,321.20

Finding the Fourth Proportional to 18,842,479.60, 28,305,709.80 and 18,077,321.20

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Solution

The fourth proportional to 18,842,479.60, 28,305,709.80 and 18,077,321.20 is: 27,156,267.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,842,479.60 : 28,305,709.80 = 18,077,321.20 : x
  2. Step 2: Convert to fraction form
    18,842,479.60/28,305,709.80 = 18,077,321.20/x
  3. Step 3: Cross multiply
    18,842,479.60x = 28,305,709.80 × 18,077,321.20
  4. Step 4: Simplify right side
    18,842,479.60x = 511,691,407,848,587.75
  5. Step 5: Solve for x
    x = 511,691,407,848,587.75/18,842,479.60
  6. Step 6: Final answer
    x = 27,156,267.05

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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.