Home / 12,476,731.20-18,715,096.80-4,390,954.80

Finding the Fourth Proportional to 12,476,731.20, 18,715,096.80 and 4,390,954.80

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Solution

The fourth proportional to 12,476,731.20, 18,715,096.80 and 4,390,954.80 is: 6,586,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476,731.20 : 18,715,096.80 = 4,390,954.80 : x
  2. Step 2: Convert to fraction form
    12,476,731.20/18,715,096.80 = 4,390,954.80/x
  3. Step 3: Cross multiply
    12,476,731.20x = 18,715,096.80 × 4,390,954.80
  4. Step 4: Simplify right side
    12,476,731.20x = 82,177,144,126,424.64
  5. Step 5: Solve for x
    x = 82,177,144,126,424.64/12,476,731.20
  6. Step 6: Final answer
    x = 6,586,432.20

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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.