Home / 28,022,758.47-42,032,642.33-7,552,149.60

Finding the Fourth Proportional to 28,022,758.47, 42,032,642.33 and 7,552,149.60

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Solution

The fourth proportional to 28,022,758.47, 42,032,642.33 and 7,552,149.60 is: 11,327,821.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,022,758.47 : 42,032,642.33 = 7,552,149.60 : x
  2. Step 2: Convert to fraction form
    28,022,758.47/42,032,642.33 = 7,552,149.60/x
  3. Step 3: Cross multiply
    28,022,758.47x = 42,032,642.33 × 7,552,149.60
  4. Step 4: Simplify right side
    28,022,758.47x = 317,436,802,921,691.81
  5. Step 5: Solve for x
    x = 317,436,802,921,691.81/28,022,758.47
  6. Step 6: Final answer
    x = 11,327,821.39

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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.