Home / 10,912,085.80-16,357,631.10-8,481,891.40

Finding the Fourth Proportional to 10,912,085.80, 16,357,631.10 and 8,481,891.40

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Solution

The fourth proportional to 10,912,085.80, 16,357,631.10 and 8,481,891.40 is: 12,714,677.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912,085.80 : 16,357,631.10 = 8,481,891.40 : x
  2. Step 2: Convert to fraction form
    10,912,085.80/16,357,631.10 = 8,481,891.40/x
  3. Step 3: Cross multiply
    10,912,085.80x = 16,357,631.10 × 8,481,891.40
  4. Step 4: Simplify right side
    10,912,085.80x = 138,743,650,551,462.55
  5. Step 5: Solve for x
    x = 138,743,650,551,462.55/10,912,085.80
  6. Step 6: Final answer
    x = 12,714,677.39

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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.