Home / 11,591,909.28-15,996,890.88-7,243,521.12

Finding the Fourth Proportional to 11,591,909.28, 15,996,890.88 and 7,243,521.12

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Solution

The fourth proportional to 11,591,909.28, 15,996,890.88 and 7,243,521.12 is: 9,996,094.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591,909.28 : 15,996,890.88 = 7,243,521.12 : x
  2. Step 2: Convert to fraction form
    11,591,909.28/15,996,890.88 = 7,243,521.12/x
  3. Step 3: Cross multiply
    11,591,909.28x = 15,996,890.88 × 7,243,521.12
  4. Step 4: Simplify right side
    11,591,909.28x = 115,873,816,943,615.39
  5. Step 5: Solve for x
    x = 115,873,816,943,615.39/11,591,909.28
  6. Step 6: Final answer
    x = 9,996,094.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.