Home / 36,403,778.93-54,605,872.53-12,142,639.23

Finding the Fourth Proportional to 36,403,778.93, 54,605,872.53 and 12,142,639.23

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Solution

The fourth proportional to 36,403,778.93, 54,605,872.53 and 12,142,639.23 is: 18,214,026.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,403,778.93 : 54,605,872.53 = 12,142,639.23 : x
  2. Step 2: Convert to fraction form
    36,403,778.93/54,605,872.53 = 12,142,639.23/x
  3. Step 3: Cross multiply
    36,403,778.93x = 54,605,872.53 × 12,142,639.23
  4. Step 4: Simplify right side
    36,403,778.93x = 663,059,409,766,385.38
  5. Step 5: Solve for x
    x = 663,059,409,766,385.38/36,403,778.93
  6. Step 6: Final answer
    x = 18,214,026.93

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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.