Home / 12,060,606.60-18,059,417.10-7,777,585.80

Finding the Fourth Proportional to 12,060,606.60, 18,059,417.10 and 7,777,585.80

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Solution

The fourth proportional to 12,060,606.60, 18,059,417.10 and 7,777,585.80 is: 11,646,069.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060,606.60 : 18,059,417.10 = 7,777,585.80 : x
  2. Step 2: Convert to fraction form
    12,060,606.60/18,059,417.10 = 7,777,585.80/x
  3. Step 3: Cross multiply
    12,060,606.60x = 18,059,417.10 × 7,777,585.80
  4. Step 4: Simplify right side
    12,060,606.60x = 140,458,665,993,237.19
  5. Step 5: Solve for x
    x = 140,458,665,993,237.19/12,060,606.60
  6. Step 6: Final answer
    x = 11,646,069.78

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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.