Home / 10,988,511.20-16,471,394.40-4,926,147.20

Finding the Fourth Proportional to 10,988,511.20, 16,471,394.40 and 4,926,147.20

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Solution

The fourth proportional to 10,988,511.20, 16,471,394.40 and 4,926,147.20 is: 7,384,122.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988,511.20 : 16,471,394.40 = 4,926,147.20 : x
  2. Step 2: Convert to fraction form
    10,988,511.20/16,471,394.40 = 4,926,147.20/x
  3. Step 3: Cross multiply
    10,988,511.20x = 16,471,394.40 × 4,926,147.20
  4. Step 4: Simplify right side
    10,988,511.20x = 81,140,513,403,655.69
  5. Step 5: Solve for x
    x = 81,140,513,403,655.69/10,988,511.20
  6. Step 6: Final answer
    x = 7,384,122.56

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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.