Home / 10,489,903.20-15,734,854.80-3,303,639.90

Finding the Fourth Proportional to 10,489,903.20, 15,734,854.80 and 3,303,639.90

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Solution

The fourth proportional to 10,489,903.20, 15,734,854.80 and 3,303,639.90 is: 4,955,459.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,489,903.20 : 15,734,854.80 = 3,303,639.90 : x
  2. Step 2: Convert to fraction form
    10,489,903.20/15,734,854.80 = 3,303,639.90/x
  3. Step 3: Cross multiply
    10,489,903.20x = 15,734,854.80 × 3,303,639.90
  4. Step 4: Simplify right side
    10,489,903.20x = 51,982,294,137,986.52
  5. Step 5: Solve for x
    x = 51,982,294,137,986.52/10,489,903.20
  6. Step 6: Final answer
    x = 4,955,459.85

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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.