Home / 11,261,776.82-16,891,502.81-7,641,750.20

Finding the Fourth Proportional to 11,261,776.82, 16,891,502.81 and 7,641,750.20

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Solution

The fourth proportional to 11,261,776.82, 16,891,502.81 and 7,641,750.20 is: 11,461,836.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261,776.82 : 16,891,502.81 = 7,641,750.20 : x
  2. Step 2: Convert to fraction form
    11,261,776.82/16,891,502.81 = 7,641,750.20/x
  3. Step 3: Cross multiply
    11,261,776.82x = 16,891,502.81 × 7,641,750.20
  4. Step 4: Simplify right side
    11,261,776.82x = 129,080,644,853,951.80
  5. Step 5: Solve for x
    x = 129,080,644,853,951.80/11,261,776.82
  6. Step 6: Final answer
    x = 11,461,836.53

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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.