Home / 28,607,745.60-42,961,384.80-15,170,817.60

Finding the Fourth Proportional to 28,607,745.60, 42,961,384.80 and 15,170,817.60

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Solution

The fourth proportional to 28,607,745.60, 42,961,384.80 and 15,170,817.60 is: 22,782,617.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,607,745.60 : 42,961,384.80 = 15,170,817.60 : x
  2. Step 2: Convert to fraction form
    28,607,745.60/42,961,384.80 = 15,170,817.60/x
  3. Step 3: Cross multiply
    28,607,745.60x = 42,961,384.80 × 15,170,817.60
  4. Step 4: Simplify right side
    28,607,745.60x = 651,759,332,644,212.38
  5. Step 5: Solve for x
    x = 651,759,332,644,212.38/28,607,745.60
  6. Step 6: Final answer
    x = 22,782,617.75

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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.