Home / 12,339,815.40-18,512,487.90-4,766,106.60

Finding the Fourth Proportional to 12,339,815.40, 18,512,487.90 and 4,766,106.60

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Solution

The fourth proportional to 12,339,815.40, 18,512,487.90 and 4,766,106.60 is: 7,150,227.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,339,815.40 : 18,512,487.90 = 4,766,106.60 : x
  2. Step 2: Convert to fraction form
    12,339,815.40/18,512,487.90 = 4,766,106.60/x
  3. Step 3: Cross multiply
    12,339,815.40x = 18,512,487.90 × 4,766,106.60
  4. Step 4: Simplify right side
    12,339,815.40x = 88,232,490,762,610.12
  5. Step 5: Solve for x
    x = 88,232,490,762,610.12/12,339,815.40
  6. Step 6: Final answer
    x = 7,150,227.77

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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.