Home / 28,941,859.80-43,412,789.70-8,747,101.80

Finding the Fourth Proportional to 28,941,859.80, 43,412,789.70 and 8,747,101.80

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Solution

The fourth proportional to 28,941,859.80, 43,412,789.70 and 8,747,101.80 is: 13,120,652.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,941,859.80 : 43,412,789.70 = 8,747,101.80 : x
  2. Step 2: Convert to fraction form
    28,941,859.80/43,412,789.70 = 8,747,101.80/x
  3. Step 3: Cross multiply
    28,941,859.80x = 43,412,789.70 × 8,747,101.80
  4. Step 4: Simplify right side
    28,941,859.80x = 379,736,090,927,891.50
  5. Step 5: Solve for x
    x = 379,736,090,927,891.50/28,941,859.80
  6. Step 6: Final answer
    x = 13,120,652.70

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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.