Home / 7,196,280.40-9,930,867.06-3,933,094.96

Finding the Fourth Proportional to 7,196,280.40, 9,930,867.06 and 3,933,094.96

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Solution

The fourth proportional to 7,196,280.40, 9,930,867.06 and 3,933,094.96 is: 5,427,671.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,196,280.40 : 9,930,867.06 = 3,933,094.96 : x
  2. Step 2: Convert to fraction form
    7,196,280.40/9,930,867.06 = 3,933,094.96/x
  3. Step 3: Cross multiply
    7,196,280.40x = 9,930,867.06 × 3,933,094.96
  4. Step 4: Simplify right side
    7,196,280.40x = 39,059,043,182,116.02
  5. Step 5: Solve for x
    x = 39,059,043,182,116.02/7,196,280.40
  6. Step 6: Final answer
    x = 5,427,671.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.