Home / 12,220,878.80-18,331,318.20-6,552,174.80

Finding the Fourth Proportional to 12,220,878.80, 18,331,318.20 and 6,552,174.80

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Solution

The fourth proportional to 12,220,878.80, 18,331,318.20 and 6,552,174.80 is: 9,828,262.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,220,878.80 : 18,331,318.20 = 6,552,174.80 : x
  2. Step 2: Convert to fraction form
    12,220,878.80/18,331,318.20 = 6,552,174.80/x
  3. Step 3: Cross multiply
    12,220,878.80x = 18,331,318.20 × 6,552,174.80
  4. Step 4: Simplify right side
    12,220,878.80x = 120,110,001,160,821.36
  5. Step 5: Solve for x
    x = 120,110,001,160,821.36/12,220,878.80
  6. Step 6: Final answer
    x = 9,828,262.20

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1.5x scale

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.