Home / 18,581,792.80-27,846,117.15-12,895,374.10

Finding the Fourth Proportional to 18,581,792.80, 27,846,117.15 and 12,895,374.10

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Solution

The fourth proportional to 18,581,792.80, 27,846,117.15 and 12,895,374.10 is: 19,324,620.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581,792.80 : 27,846,117.15 = 12,895,374.10 : x
  2. Step 2: Convert to fraction form
    18,581,792.80/27,846,117.15 = 12,895,374.10/x
  3. Step 3: Cross multiply
    18,581,792.80x = 27,846,117.15 × 12,895,374.10
  4. Step 4: Simplify right side
    18,581,792.80x = 359,086,097,881,675.81
  5. Step 5: Solve for x
    x = 359,086,097,881,675.81/18,581,792.80
  6. Step 6: Final answer
    x = 19,324,620.71

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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.