Home / 10,429,815.80-15,644,723.70-9,422,046.20

Finding the Fourth Proportional to 10,429,815.80, 15,644,723.70 and 9,422,046.20

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Solution

The fourth proportional to 10,429,815.80, 15,644,723.70 and 9,422,046.20 is: 14,133,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429,815.80 : 15,644,723.70 = 9,422,046.20 : x
  2. Step 2: Convert to fraction form
    10,429,815.80/15,644,723.70 = 9,422,046.20/x
  3. Step 3: Cross multiply
    10,429,815.80x = 15,644,723.70 × 9,422,046.20
  4. Step 4: Simplify right side
    10,429,815.80x = 147,405,309,487,634.91
  5. Step 5: Solve for x
    x = 147,405,309,487,634.91/10,429,815.80
  6. Step 6: Final answer
    x = 14,133,069.30

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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.