Home / 28,352,853.60-42,501,286.80-13,964,143.20

Finding the Fourth Proportional to 28,352,853.60, 42,501,286.80 and 13,964,143.20

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Solution

The fourth proportional to 28,352,853.60, 42,501,286.80 and 13,964,143.20 is: 20,932,427.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,352,853.60 : 42,501,286.80 = 13,964,143.20 : x
  2. Step 2: Convert to fraction form
    28,352,853.60/42,501,286.80 = 13,964,143.20/x
  3. Step 3: Cross multiply
    28,352,853.60x = 42,501,286.80 × 13,964,143.20
  4. Step 4: Simplify right side
    28,352,853.60x = 593,494,055,059,469.62
  5. Step 5: Solve for x
    x = 593,494,055,059,469.62/28,352,853.60
  6. Step 6: Final answer
    x = 20,932,427.59

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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.