Home / 12,410,366.40-18,615,549.60-3,890,689.20

Finding the Fourth Proportional to 12,410,366.40, 18,615,549.60 and 3,890,689.20

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Solution

The fourth proportional to 12,410,366.40, 18,615,549.60 and 3,890,689.20 is: 5,836,033.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,410,366.40 : 18,615,549.60 = 3,890,689.20 : x
  2. Step 2: Convert to fraction form
    12,410,366.40/18,615,549.60 = 3,890,689.20/x
  3. Step 3: Cross multiply
    12,410,366.40x = 18,615,549.60 × 3,890,689.20
  4. Step 4: Simplify right side
    12,410,366.40x = 72,427,317,780,784.33
  5. Step 5: Solve for x
    x = 72,427,317,780,784.33/12,410,366.40
  6. Step 6: Final answer
    x = 5,836,033.80

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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.