Home / 18,318,649.46-27,609,646.58-15,790,379.18

Finding the Fourth Proportional to 18,318,649.46, 27,609,646.58 and 15,790,379.18

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Solution

The fourth proportional to 18,318,649.46, 27,609,646.58 and 15,790,379.18 is: 23,799,068.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318,649.46 : 27,609,646.58 = 15,790,379.18 : x
  2. Step 2: Convert to fraction form
    18,318,649.46/27,609,646.58 = 15,790,379.18/x
  3. Step 3: Cross multiply
    18,318,649.46x = 27,609,646.58 × 15,790,379.18
  4. Step 4: Simplify right side
    18,318,649.46x = 435,966,788,523,990.19
  5. Step 5: Solve for x
    x = 435,966,788,523,990.19/18,318,649.46
  6. Step 6: Final answer
    x = 23,799,068.24

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.