Home / 12,098,420.67-18,147,614.45-5,617,952.29

Finding the Fourth Proportional to 12,098,420.67, 18,147,614.45 and 5,617,952.29

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Solution

The fourth proportional to 12,098,420.67, 18,147,614.45 and 5,617,952.29 is: 8,426,920.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098,420.67 : 18,147,614.45 = 5,617,952.29 : x
  2. Step 2: Convert to fraction form
    12,098,420.67/18,147,614.45 = 5,617,952.29/x
  3. Step 3: Cross multiply
    12,098,420.67x = 18,147,614.45 × 5,617,952.29
  4. Step 4: Simplify right side
    12,098,420.67x = 101,952,432,083,955.78
  5. Step 5: Solve for x
    x = 101,952,432,083,955.78/12,098,420.67
  6. Step 6: Final answer
    x = 8,426,920.74

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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.