Home / 18,190,437.60-27,286,093.80-5,411,359.20

Finding the Fourth Proportional to 18,190,437.60, 27,286,093.80 and 5,411,359.20

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Solution

The fourth proportional to 18,190,437.60, 27,286,093.80 and 5,411,359.20 is: 8,117,168.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190,437.60 : 27,286,093.80 = 5,411,359.20 : x
  2. Step 2: Convert to fraction form
    18,190,437.60/27,286,093.80 = 5,411,359.20/x
  3. Step 3: Cross multiply
    18,190,437.60x = 27,286,093.80 × 5,411,359.20
  4. Step 4: Simplify right side
    18,190,437.60x = 147,654,854,716,692.97
  5. Step 5: Solve for x
    x = 147,654,854,716,692.97/18,190,437.60
  6. Step 6: Final answer
    x = 8,117,168.92

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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.