Home / 8,632,221.72-12,947,299.08-6,715,048.20

Finding the Fourth Proportional to 8,632,221.72, 12,947,299.08 and 6,715,048.20

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Solution

The fourth proportional to 8,632,221.72, 12,947,299.08 and 6,715,048.20 is: 10,071,768.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632,221.72 : 12,947,299.08 = 6,715,048.20 : x
  2. Step 2: Convert to fraction form
    8,632,221.72/12,947,299.08 = 6,715,048.20/x
  3. Step 3: Cross multiply
    8,632,221.72x = 12,947,299.08 × 6,715,048.20
  4. Step 4: Simplify right side
    8,632,221.72x = 86,941,737,382,015.66
  5. Step 5: Solve for x
    x = 86,941,737,382,015.66/8,632,221.72
  6. Step 6: Final answer
    x = 10,071,768.34

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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.