Home / 8,240,193.20-12,335,406.60-7,244,865.20

Finding the Fourth Proportional to 8,240,193.20, 12,335,406.60 and 7,244,865.20

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Solution

The fourth proportional to 8,240,193.20, 12,335,406.60 and 7,244,865.20 is: 10,845,420.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240,193.20 : 12,335,406.60 = 7,244,865.20 : x
  2. Step 2: Convert to fraction form
    8,240,193.20/12,335,406.60 = 7,244,865.20/x
  3. Step 3: Cross multiply
    8,240,193.20x = 12,335,406.60 × 7,244,865.20
  4. Step 4: Simplify right side
    8,240,193.20x = 89,368,358,004,190.31
  5. Step 5: Solve for x
    x = 89,368,358,004,190.31/8,240,193.20
  6. Step 6: Final answer
    x = 10,845,420.23

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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.