Home / 10,766,286.88-16,142,925.61-4,290,358.48

Finding the Fourth Proportional to 10,766,286.88, 16,142,925.61 and 4,290,358.48

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Solution

The fourth proportional to 10,766,286.88, 16,142,925.61 and 4,290,358.48 is: 6,432,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,766,286.88 : 16,142,925.61 = 4,290,358.48 : x
  2. Step 2: Convert to fraction form
    10,766,286.88/16,142,925.61 = 4,290,358.48/x
  3. Step 3: Cross multiply
    10,766,286.88x = 16,142,925.61 × 4,290,358.48
  4. Step 4: Simplify right side
    10,766,286.88x = 69,258,937,782,872.68
  5. Step 5: Solve for x
    x = 69,258,937,782,872.68/10,766,286.88
  6. Step 6: Final answer
    x = 6,432,945.60

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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.