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Finding the Fourth Proportional to 8,880.60, 12,087.45 and 8,880.60

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Solution

The fourth proportional to 8,880.60, 12,087.45 and 8,880.60 is: 12,087.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.60 : 12,087.45 = 8,880.60 : x
  2. Step 2: Convert to fraction form
    8,880.60/12,087.45 = 8,880.60/x
  3. Step 3: Cross multiply
    8,880.60x = 12,087.45 × 8,880.60
  4. Step 4: Simplify right side
    8,880.60x = 107,343,808.47
  5. Step 5: Solve for x
    x = 107,343,808.47/8,880.60
  6. Step 6: Final answer
    x = 12,087.45

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These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.