Home / 18,992,677.30-26,218,931.61-12,723,998.54

Finding the Fourth Proportional to 18,992,677.30, 26,218,931.61 and 12,723,998.54

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Solution

The fourth proportional to 18,992,677.30, 26,218,931.61 and 12,723,998.54 is: 17,565,172.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,992,677.30 : 26,218,931.61 = 12,723,998.54 : x
  2. Step 2: Convert to fraction form
    18,992,677.30/26,218,931.61 = 12,723,998.54/x
  3. Step 3: Cross multiply
    18,992,677.30x = 26,218,931.61 × 12,723,998.54
  4. Step 4: Simplify right side
    18,992,677.30x = 333,609,647,442,620.19
  5. Step 5: Solve for x
    x = 333,609,647,442,620.19/18,992,677.30
  6. Step 6: Final answer
    x = 17,565,172.21

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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.