Home / 20,564,827.20-30,857,803.20-9,058,357.44

Finding the Fourth Proportional to 20,564,827.20, 30,857,803.20 and 9,058,357.44

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Solution

The fourth proportional to 20,564,827.20, 30,857,803.20 and 9,058,357.44 is: 13,592,188.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,564,827.20 : 30,857,803.20 = 9,058,357.44 : x
  2. Step 2: Convert to fraction form
    20,564,827.20/30,857,803.20 = 9,058,357.44/x
  3. Step 3: Cross multiply
    20,564,827.20x = 30,857,803.20 × 9,058,357.44
  4. Step 4: Simplify right side
    20,564,827.20x = 279,521,011,198,775.78
  5. Step 5: Solve for x
    x = 279,521,011,198,775.78/20,564,827.20
  6. Step 6: Final answer
    x = 13,592,188.67

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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.