Home / 28,203,043.74-42,305,568.39-9,031,309.80

Finding the Fourth Proportional to 28,203,043.74, 42,305,568.39 and 9,031,309.80

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Solution

The fourth proportional to 28,203,043.74, 42,305,568.39 and 9,031,309.80 is: 13,547,285.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,203,043.74 : 42,305,568.39 = 9,031,309.80 : x
  2. Step 2: Convert to fraction form
    28,203,043.74/42,305,568.39 = 9,031,309.80/x
  3. Step 3: Cross multiply
    28,203,043.74x = 42,305,568.39 × 9,031,309.80
  4. Step 4: Simplify right side
    28,203,043.74x = 382,074,694,395,177.25
  5. Step 5: Solve for x
    x = 382,074,694,395,177.25/28,203,043.74
  6. Step 6: Final answer
    x = 13,547,285.81

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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.