Home / 10,891,972.80-16,337,959.20-10,369,425.60

Finding the Fourth Proportional to 10,891,972.80, 16,337,959.20 and 10,369,425.60

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Solution

The fourth proportional to 10,891,972.80, 16,337,959.20 and 10,369,425.60 is: 15,554,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891,972.80 : 16,337,959.20 = 10,369,425.60 : x
  2. Step 2: Convert to fraction form
    10,891,972.80/16,337,959.20 = 10,369,425.60/x
  3. Step 3: Cross multiply
    10,891,972.80x = 16,337,959.20 × 10,369,425.60
  4. Step 4: Simplify right side
    10,891,972.80x = 169,415,252,380,235.50
  5. Step 5: Solve for x
    x = 169,415,252,380,235.50/10,891,972.80
  6. Step 6: Final answer
    x = 15,554,138.40

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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.