Home / 28,512,044.80-42,768,067.20-7,236,908.80

Finding the Fourth Proportional to 28,512,044.80, 42,768,067.20 and 7,236,908.80

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Solution

The fourth proportional to 28,512,044.80, 42,768,067.20 and 7,236,908.80 is: 10,855,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,512,044.80 : 42,768,067.20 = 7,236,908.80 : x
  2. Step 2: Convert to fraction form
    28,512,044.80/42,768,067.20 = 7,236,908.80/x
  3. Step 3: Cross multiply
    28,512,044.80x = 42,768,067.20 × 7,236,908.80
  4. Step 4: Simplify right side
    28,512,044.80x = 309,508,601,878,671.38
  5. Step 5: Solve for x
    x = 309,508,601,878,671.38/28,512,044.80
  6. Step 6: Final answer
    x = 10,855,363.20

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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.