Home / 27,665,690.70-38,179,260.05-15,275,750.67

Finding the Fourth Proportional to 27,665,690.70, 38,179,260.05 and 15,275,750.67

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Solution

The fourth proportional to 27,665,690.70, 38,179,260.05 and 15,275,750.67 is: 21,080,871.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,665,690.70 : 38,179,260.05 = 15,275,750.67 : x
  2. Step 2: Convert to fraction form
    27,665,690.70/38,179,260.05 = 15,275,750.67/x
  3. Step 3: Cross multiply
    27,665,690.70x = 38,179,260.05 × 15,275,750.67
  4. Step 4: Simplify right side
    27,665,690.70x = 583,216,857,288,891.62
  5. Step 5: Solve for x
    x = 583,216,857,288,891.62/27,665,690.70
  6. Step 6: Final answer
    x = 21,080,871.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.