Home / 18,144,834.80-27,179,927.40-12,471,465.20

Finding the Fourth Proportional to 18,144,834.80, 27,179,927.40 and 12,471,465.20

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Solution

The fourth proportional to 18,144,834.80, 27,179,927.40 and 12,471,465.20 is: 18,681,543.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,834.80 : 27,179,927.40 = 12,471,465.20 : x
  2. Step 2: Convert to fraction form
    18,144,834.80/27,179,927.40 = 12,471,465.20/x
  3. Step 3: Cross multiply
    18,144,834.80x = 27,179,927.40 × 12,471,465.20
  4. Step 4: Simplify right side
    18,144,834.80x = 338,973,518,707,626.44
  5. Step 5: Solve for x
    x = 338,973,518,707,626.44/18,144,834.80
  6. Step 6: Final answer
    x = 18,681,543.39

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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.