Home / 27,571,628.80-41,358,998.40-8,403,011.20

Finding the Fourth Proportional to 27,571,628.80, 41,358,998.40 and 8,403,011.20

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Solution

The fourth proportional to 27,571,628.80, 41,358,998.40 and 8,403,011.20 is: 12,604,990.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,571,628.80 : 41,358,998.40 = 8,403,011.20 : x
  2. Step 2: Convert to fraction form
    27,571,628.80/41,358,998.40 = 8,403,011.20/x
  3. Step 3: Cross multiply
    27,571,628.80x = 41,358,998.40 × 8,403,011.20
  4. Step 4: Simplify right side
    27,571,628.80x = 347,540,126,775,982.06
  5. Step 5: Solve for x
    x = 347,540,126,775,982.06/27,571,628.80
  6. Step 6: Final answer
    x = 12,604,990.78

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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.