Home / 10,418,065.92-15,630,857.28-5,555,257.92

Finding the Fourth Proportional to 10,418,065.92, 15,630,857.28 and 5,555,257.92

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Solution

The fourth proportional to 10,418,065.92, 15,630,857.28 and 5,555,257.92 is: 8,334,890.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418,065.92 : 15,630,857.28 = 5,555,257.92 : x
  2. Step 2: Convert to fraction form
    10,418,065.92/15,630,857.28 = 5,555,257.92/x
  3. Step 3: Cross multiply
    10,418,065.92x = 15,630,857.28 × 5,555,257.92
  4. Step 4: Simplify right side
    10,418,065.92x = 86,833,443,701,109.66
  5. Step 5: Solve for x
    x = 86,833,443,701,109.66/10,418,065.92
  6. Step 6: Final answer
    x = 8,334,890.98

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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.