Home / 27,679,359.40-41,519,039.10-8,510,085.70

Finding the Fourth Proportional to 27,679,359.40, 41,519,039.10 and 8,510,085.70

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Solution

The fourth proportional to 27,679,359.40, 41,519,039.10 and 8,510,085.70 is: 12,765,128.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,679,359.40 : 41,519,039.10 = 8,510,085.70 : x
  2. Step 2: Convert to fraction form
    27,679,359.40/41,519,039.10 = 8,510,085.70/x
  3. Step 3: Cross multiply
    27,679,359.40x = 41,519,039.10 × 8,510,085.70
  4. Step 4: Simplify right side
    27,679,359.40x = 353,330,580,922,650.88
  5. Step 5: Solve for x
    x = 353,330,580,922,650.88/27,679,359.40
  6. Step 6: Final answer
    x = 12,765,128.55

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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.