Home / 8,272,671.80-12,409,007.70-4,021,143.80

Finding the Fourth Proportional to 8,272,671.80, 12,409,007.70 and 4,021,143.80

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Solution

The fourth proportional to 8,272,671.80, 12,409,007.70 and 4,021,143.80 is: 6,031,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272,671.80 : 12,409,007.70 = 4,021,143.80 : x
  2. Step 2: Convert to fraction form
    8,272,671.80/12,409,007.70 = 4,021,143.80/x
  3. Step 3: Cross multiply
    8,272,671.80x = 12,409,007.70 × 4,021,143.80
  4. Step 4: Simplify right side
    8,272,671.80x = 49,898,404,377,007.26
  5. Step 5: Solve for x
    x = 49,898,404,377,007.26/8,272,671.80
  6. Step 6: Final answer
    x = 6,031,715.70

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Similar ratio
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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.