Home / 20,299,521.24-28,010,758.10-11,598,257.43

Finding the Fourth Proportional to 20,299,521.24, 28,010,758.10 and 11,598,257.43

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Solution

The fourth proportional to 20,299,521.24, 28,010,758.10 and 11,598,257.43 is: 16,004,120.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,299,521.24 : 28,010,758.10 = 11,598,257.43 : x
  2. Step 2: Convert to fraction form
    20,299,521.24/28,010,758.10 = 11,598,257.43/x
  3. Step 3: Cross multiply
    20,299,521.24x = 28,010,758.10 × 11,598,257.43
  4. Step 4: Simplify right side
    20,299,521.24x = 324,875,983,195,266.38
  5. Step 5: Solve for x
    x = 324,875,983,195,266.38/20,299,521.24
  6. Step 6: Final answer
    x = 16,004,120.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.