Home / 8,477,672.30-12,716,508.45-8,087,948.90

Finding the Fourth Proportional to 8,477,672.30, 12,716,508.45 and 8,087,948.90

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Solution

The fourth proportional to 8,477,672.30, 12,716,508.45 and 8,087,948.90 is: 12,131,923.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,477,672.30 : 12,716,508.45 = 8,087,948.90 : x
  2. Step 2: Convert to fraction form
    8,477,672.30/12,716,508.45 = 8,087,948.90/x
  3. Step 3: Cross multiply
    8,477,672.30x = 12,716,508.45 × 8,087,948.90
  4. Step 4: Simplify right side
    8,477,672.30x = 102,850,470,530,018.20
  5. Step 5: Solve for x
    x = 102,850,470,530,018.20/8,477,672.30
  6. Step 6: Final answer
    x = 12,131,923.35

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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.