Home / 10,435,813.20-15,632,724.60-7,244,542.80

Finding the Fourth Proportional to 10,435,813.20, 15,632,724.60 and 7,244,542.80

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Solution

The fourth proportional to 10,435,813.20, 15,632,724.60 and 7,244,542.80 is: 10,852,239.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435,813.20 : 15,632,724.60 = 7,244,542.80 : x
  2. Step 2: Convert to fraction form
    10,435,813.20/15,632,724.60 = 7,244,542.80/x
  3. Step 3: Cross multiply
    10,435,813.20x = 15,632,724.60 × 7,244,542.80
  4. Step 4: Simplify right side
    10,435,813.20x = 113,251,942,445,312.88
  5. Step 5: Solve for x
    x = 113,251,942,445,312.88/10,435,813.20
  6. Step 6: Final answer
    x = 10,852,239.33

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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.