Home / 18,015,663.76-27,017,907.36-6,499,633.90

Finding the Fourth Proportional to 18,015,663.76, 27,017,907.36 and 6,499,633.90

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Solution

The fourth proportional to 18,015,663.76, 27,017,907.36 and 6,499,633.90 is: 9,747,434.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015,663.76 : 27,017,907.36 = 6,499,633.90 : x
  2. Step 2: Convert to fraction form
    18,015,663.76/27,017,907.36 = 6,499,633.90/x
  3. Step 3: Cross multiply
    18,015,663.76x = 27,017,907.36 × 6,499,633.90
  4. Step 4: Simplify right side
    18,015,663.76x = 175,606,506,584,115.50
  5. Step 5: Solve for x
    x = 175,606,506,584,115.50/18,015,663.76
  6. Step 6: Final answer
    x = 9,747,434.73

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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.