Home / 18,537,010.80-27,805,516.20-8,459,314.80

Finding the Fourth Proportional to 18,537,010.80, 27,805,516.20 and 8,459,314.80

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Solution

The fourth proportional to 18,537,010.80, 27,805,516.20 and 8,459,314.80 is: 12,688,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,537,010.80 : 27,805,516.20 = 8,459,314.80 : x
  2. Step 2: Convert to fraction form
    18,537,010.80/27,805,516.20 = 8,459,314.80/x
  3. Step 3: Cross multiply
    18,537,010.80x = 27,805,516.20 × 8,459,314.80
  4. Step 4: Simplify right side
    18,537,010.80x = 235,215,614,712,299.78
  5. Step 5: Solve for x
    x = 235,215,614,712,299.78/18,537,010.80
  6. Step 6: Final answer
    x = 12,688,972.20

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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.