Home / 30,278,958.20-45,418,437.30-22,147,910.90

Finding the Fourth Proportional to 30,278,958.20, 45,418,437.30 and 22,147,910.90

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Solution

The fourth proportional to 30,278,958.20, 45,418,437.30 and 22,147,910.90 is: 33,221,866.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,278,958.20 : 45,418,437.30 = 22,147,910.90 : x
  2. Step 2: Convert to fraction form
    30,278,958.20/45,418,437.30 = 22,147,910.90/x
  3. Step 3: Cross multiply
    30,278,958.20x = 45,418,437.30 × 22,147,910.90
  4. Step 4: Simplify right side
    30,278,958.20x = 1,005,923,502,537,636.38
  5. Step 5: Solve for x
    x = 1,005,923,502,537,636.38/30,278,958.20
  6. Step 6: Final answer
    x = 33,221,866.35

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1.5x scale

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.