Home / 18,092,223.90-27,138,335.85-12,706,955.10

Finding the Fourth Proportional to 18,092,223.90, 27,138,335.85 and 12,706,955.10

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Solution

The fourth proportional to 18,092,223.90, 27,138,335.85 and 12,706,955.10 is: 19,060,432.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,092,223.90 : 27,138,335.85 = 12,706,955.10 : x
  2. Step 2: Convert to fraction form
    18,092,223.90/27,138,335.85 = 12,706,955.10/x
  3. Step 3: Cross multiply
    18,092,223.90x = 27,138,335.85 × 12,706,955.10
  4. Step 4: Simplify right side
    18,092,223.90x = 344,845,615,134,670.38
  5. Step 5: Solve for x
    x = 344,845,615,134,670.38/18,092,223.90
  6. Step 6: Final answer
    x = 19,060,432.65

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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.