Home / 12,565,155.78-18,847,782.88-8,304,376.77

Finding the Fourth Proportional to 12,565,155.78, 18,847,782.88 and 8,304,376.77

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Solution

The fourth proportional to 12,565,155.78, 18,847,782.88 and 8,304,376.77 is: 12,456,597.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,565,155.78 : 18,847,782.88 = 8,304,376.77 : x
  2. Step 2: Convert to fraction form
    12,565,155.78/18,847,782.88 = 8,304,376.77/x
  3. Step 3: Cross multiply
    12,565,155.78x = 18,847,782.88 × 8,304,376.77
  4. Step 4: Simplify right side
    12,565,155.78x = 156,519,090,314,675.69
  5. Step 5: Solve for x
    x = 156,519,090,314,675.69/12,565,155.78
  6. Step 6: Final answer
    x = 12,456,597.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.