Home / 10,406,711.04-15,589,868.40-7,669,286.88

Finding the Fourth Proportional to 10,406,711.04, 15,589,868.40 and 7,669,286.88

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Solution

The fourth proportional to 10,406,711.04, 15,589,868.40 and 7,669,286.88 is: 11,489,045.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,406,711.04 : 15,589,868.40 = 7,669,286.88 : x
  2. Step 2: Convert to fraction form
    10,406,711.04/15,589,868.40 = 7,669,286.88/x
  3. Step 3: Cross multiply
    10,406,711.04x = 15,589,868.40 × 7,669,286.88
  4. Step 4: Simplify right side
    10,406,711.04x = 119,563,173,181,046.59
  5. Step 5: Solve for x
    x = 119,563,173,181,046.59/10,406,711.04
  6. Step 6: Final answer
    x = 11,489,045.17

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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.