Home / 18,404,328.70-27,606,493.05-6,287,473.90

Finding the Fourth Proportional to 18,404,328.70, 27,606,493.05 and 6,287,473.90

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Solution

The fourth proportional to 18,404,328.70, 27,606,493.05 and 6,287,473.90 is: 9,431,210.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,404,328.70 : 27,606,493.05 = 6,287,473.90 : x
  2. Step 2: Convert to fraction form
    18,404,328.70/27,606,493.05 = 6,287,473.90/x
  3. Step 3: Cross multiply
    18,404,328.70x = 27,606,493.05 × 6,287,473.90
  4. Step 4: Simplify right side
    18,404,328.70x = 173,575,104,522,406.41
  5. Step 5: Solve for x
    x = 173,575,104,522,406.41/18,404,328.70
  6. Step 6: Final answer
    x = 9,431,210.85

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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.