Home / 14,658,146.10-20,228,265.90-8,131,775.76

Finding the Fourth Proportional to 14,658,146.10, 20,228,265.90 and 8,131,775.76

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Solution

The fourth proportional to 14,658,146.10, 20,228,265.90 and 8,131,775.76 is: 11,221,864.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658,146.10 : 20,228,265.90 = 8,131,775.76 : x
  2. Step 2: Convert to fraction form
    14,658,146.10/20,228,265.90 = 8,131,775.76/x
  3. Step 3: Cross multiply
    14,658,146.10x = 20,228,265.90 × 8,131,775.76
  4. Step 4: Simplify right side
    14,658,146.10x = 164,491,722,312,454.56
  5. Step 5: Solve for x
    x = 164,491,722,312,454.56/14,658,146.10
  6. Step 6: Final answer
    x = 11,221,864.02

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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.