Home / 13,471,182.04-20,219,548.07-8,338,084.76

Finding the Fourth Proportional to 13,471,182.04, 20,219,548.07 and 8,338,084.76

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Solution

The fourth proportional to 13,471,182.04, 20,219,548.07 and 8,338,084.76 is: 12,515,034.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471,182.04 : 20,219,548.07 = 8,338,084.76 : x
  2. Step 2: Convert to fraction form
    13,471,182.04/20,219,548.07 = 8,338,084.76/x
  3. Step 3: Cross multiply
    13,471,182.04x = 20,219,548.07 × 8,338,084.76
  4. Step 4: Simplify right side
    13,471,182.04x = 168,592,305,625,412.88
  5. Step 5: Solve for x
    x = 168,592,305,625,412.88/13,471,182.04
  6. Step 6: Final answer
    x = 12,515,034.33

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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.