Home / 15,926,311.80-21,977,363.34-9,049,839.48

Finding the Fourth Proportional to 15,926,311.80, 21,977,363.34 and 9,049,839.48

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Solution

The fourth proportional to 15,926,311.80, 21,977,363.34 and 9,049,839.48 is: 12,488,240.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,926,311.80 : 21,977,363.34 = 9,049,839.48 : x
  2. Step 2: Convert to fraction form
    15,926,311.80/21,977,363.34 = 9,049,839.48/x
  3. Step 3: Cross multiply
    15,926,311.80x = 21,977,363.34 × 9,049,839.48
  4. Step 4: Simplify right side
    15,926,311.80x = 198,891,610,420,636.66
  5. Step 5: Solve for x
    x = 198,891,610,420,636.66/15,926,311.80
  6. Step 6: Final answer
    x = 12,488,240.40

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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.