Home / 31,248,052.70-46,872,079.05-28,067,279.90

Finding the Fourth Proportional to 31,248,052.70, 46,872,079.05 and 28,067,279.90

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Solution

The fourth proportional to 31,248,052.70, 46,872,079.05 and 28,067,279.90 is: 42,100,919.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,248,052.70 : 46,872,079.05 = 28,067,279.90 : x
  2. Step 2: Convert to fraction form
    31,248,052.70/46,872,079.05 = 28,067,279.90/x
  3. Step 3: Cross multiply
    31,248,052.70x = 46,872,079.05 × 28,067,279.90
  4. Step 4: Simplify right side
    31,248,052.70x = 1,315,571,762,191,276
  5. Step 5: Solve for x
    x = 1,315,571,762,191,276/31,248,052.70
  6. Step 6: Final answer
    x = 42,100,919.85

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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.