Home / 40,257,076.80-60,385,615.20-9,964,939.80

Finding the Fourth Proportional to 40,257,076.80, 60,385,615.20 and 9,964,939.80

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Solution

The fourth proportional to 40,257,076.80, 60,385,615.20 and 9,964,939.80 is: 14,947,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,257,076.80 : 60,385,615.20 = 9,964,939.80 : x
  2. Step 2: Convert to fraction form
    40,257,076.80/60,385,615.20 = 9,964,939.80/x
  3. Step 3: Cross multiply
    40,257,076.80x = 60,385,615.20 × 9,964,939.80
  4. Step 4: Simplify right side
    40,257,076.80x = 601,739,020,253,965
  5. Step 5: Solve for x
    x = 601,739,020,253,965/40,257,076.80
  6. Step 6: Final answer
    x = 14,947,409.70

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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.