Home / 18,868,238.20-28,302,357.30-12,065,793.40

Finding the Fourth Proportional to 18,868,238.20, 28,302,357.30 and 12,065,793.40

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Solution

The fourth proportional to 18,868,238.20, 28,302,357.30 and 12,065,793.40 is: 18,098,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,868,238.20 : 28,302,357.30 = 12,065,793.40 : x
  2. Step 2: Convert to fraction form
    18,868,238.20/28,302,357.30 = 12,065,793.40/x
  3. Step 3: Cross multiply
    18,868,238.20x = 28,302,357.30 × 12,065,793.40
  4. Step 4: Simplify right side
    18,868,238.20x = 341,490,395,914,781.81
  5. Step 5: Solve for x
    x = 341,490,395,914,781.81/18,868,238.20
  6. Step 6: Final answer
    x = 18,098,690.10

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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.