Home / 27,218,543.70-40,827,815.55-12,101,999.70

Finding the Fourth Proportional to 27,218,543.70, 40,827,815.55 and 12,101,999.70

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Solution

The fourth proportional to 27,218,543.70, 40,827,815.55 and 12,101,999.70 is: 18,152,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218,543.70 : 40,827,815.55 = 12,101,999.70 : x
  2. Step 2: Convert to fraction form
    27,218,543.70/40,827,815.55 = 12,101,999.70/x
  3. Step 3: Cross multiply
    27,218,543.70x = 40,827,815.55 × 12,101,999.70
  4. Step 4: Simplify right side
    27,218,543.70x = 494,098,211,537,755.25
  5. Step 5: Solve for x
    x = 494,098,211,537,755.25/27,218,543.70
  6. Step 6: Final answer
    x = 18,152,999.55

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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.