Home / 12,368,615.60-18,552,923.40-5,188,257.20

Finding the Fourth Proportional to 12,368,615.60, 18,552,923.40 and 5,188,257.20

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Solution

The fourth proportional to 12,368,615.60, 18,552,923.40 and 5,188,257.20 is: 7,782,385.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368,615.60 : 18,552,923.40 = 5,188,257.20 : x
  2. Step 2: Convert to fraction form
    12,368,615.60/18,552,923.40 = 5,188,257.20/x
  3. Step 3: Cross multiply
    12,368,615.60x = 18,552,923.40 × 5,188,257.20
  4. Step 4: Simplify right side
    12,368,615.60x = 96,257,338,411,098.47
  5. Step 5: Solve for x
    x = 96,257,338,411,098.47/12,368,615.60
  6. Step 6: Final answer
    x = 7,782,385.80

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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.