Home / 10,432,078.20-15,627,122.10-7,240,807.80

Finding the Fourth Proportional to 10,432,078.20, 15,627,122.10 and 7,240,807.80

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Solution

The fourth proportional to 10,432,078.20, 15,627,122.10 and 7,240,807.80 is: 10,846,639.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,432,078.20 : 15,627,122.10 = 7,240,807.80 : x
  2. Step 2: Convert to fraction form
    10,432,078.20/15,627,122.10 = 7,240,807.80/x
  3. Step 3: Cross multiply
    10,432,078.20x = 15,627,122.10 × 7,240,807.80
  4. Step 4: Simplify right side
    10,432,078.20x = 113,152,987,593,232.38
  5. Step 5: Solve for x
    x = 113,152,987,593,232.38/10,432,078.20
  6. Step 6: Final answer
    x = 10,846,639.13

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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.