Home / 18,017,040.60-27,012,723.21-8,427,191.40

Finding the Fourth Proportional to 18,017,040.60, 27,012,723.21 and 8,427,191.40

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Solution

The fourth proportional to 18,017,040.60, 27,012,723.21 and 8,427,191.40 is: 12,634,782.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017,040.60 : 27,012,723.21 = 8,427,191.40 : x
  2. Step 2: Convert to fraction form
    18,017,040.60/27,012,723.21 = 8,427,191.40/x
  3. Step 3: Cross multiply
    18,017,040.60x = 27,012,723.21 × 8,427,191.40
  4. Step 4: Simplify right side
    18,017,040.60x = 227,641,388,725,892.41
  5. Step 5: Solve for x
    x = 227,641,388,725,892.41/18,017,040.60
  6. Step 6: Final answer
    x = 12,634,782.47

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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.