Home / 18,342,125.90-27,530,903.55-11,167,672.40

Finding the Fourth Proportional to 18,342,125.90, 27,530,903.55 and 11,167,672.40

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Solution

The fourth proportional to 18,342,125.90, 27,530,903.55 and 11,167,672.40 is: 16,762,294.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342,125.90 : 27,530,903.55 = 11,167,672.40 : x
  2. Step 2: Convert to fraction form
    18,342,125.90/27,530,903.55 = 11,167,672.40/x
  3. Step 3: Cross multiply
    18,342,125.90x = 27,530,903.55 × 11,167,672.40
  4. Step 4: Simplify right side
    18,342,125.90x = 307,456,111,722,397.06
  5. Step 5: Solve for x
    x = 307,456,111,722,397.06/18,342,125.90
  6. Step 6: Final answer
    x = 16,762,294.26

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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.