Home / 8,940,957.45-12,338,785.62-6,332,128.89

Finding the Fourth Proportional to 8,940,957.45, 12,338,785.62 and 6,332,128.89

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Solution

The fourth proportional to 8,940,957.45, 12,338,785.62 and 6,332,128.89 is: 8,738,525.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940,957.45 : 12,338,785.62 = 6,332,128.89 : x
  2. Step 2: Convert to fraction form
    8,940,957.45/12,338,785.62 = 6,332,128.89/x
  3. Step 3: Cross multiply
    8,940,957.45x = 12,338,785.62 × 6,332,128.89
  4. Step 4: Simplify right side
    8,940,957.45x = 78,130,780,891,918.55
  5. Step 5: Solve for x
    x = 78,130,780,891,918.55/8,940,957.45
  6. Step 6: Final answer
    x = 8,738,525.08

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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.