Home / 8,940,958.45-12,338,787-6,332,129.89

Finding the Fourth Proportional to 8,940,958.45, 12,338,787 and 6,332,129.89

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Solution

The fourth proportional to 8,940,958.45, 12,338,787 and 6,332,129.89 is: 8,738,526.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940,958.45 : 12,338,787 = 6,332,129.89 : x
  2. Step 2: Convert to fraction form
    8,940,958.45/12,338,787 = 6,332,129.89/x
  3. Step 3: Cross multiply
    8,940,958.45x = 12,338,787 × 6,332,129.89
  4. Step 4: Simplify right side
    8,940,958.45x = 78,130,801,969,043.42
  5. Step 5: Solve for x
    x = 78,130,801,969,043.42/8,940,958.45
  6. Step 6: Final answer
    x = 8,738,526.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.