Home / 40,899,339.80-61,349,009.70-12,149,912.60

Finding the Fourth Proportional to 40,899,339.80, 61,349,009.70 and 12,149,912.60

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Solution

The fourth proportional to 40,899,339.80, 61,349,009.70 and 12,149,912.60 is: 18,224,868.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,899,339.80 : 61,349,009.70 = 12,149,912.60 : x
  2. Step 2: Convert to fraction form
    40,899,339.80/61,349,009.70 = 12,149,912.60/x
  3. Step 3: Cross multiply
    40,899,339.80x = 61,349,009.70 × 12,149,912.60
  4. Step 4: Simplify right side
    40,899,339.80x = 745,385,105,951,552.25
  5. Step 5: Solve for x
    x = 745,385,105,951,552.25/40,899,339.80
  6. Step 6: Final answer
    x = 18,224,868.90

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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.