Home / 8,691,611.60-13,032,233.40-5,328,232.40

Finding the Fourth Proportional to 8,691,611.60, 13,032,233.40 and 5,328,232.40

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Solution

The fourth proportional to 8,691,611.60, 13,032,233.40 and 5,328,232.40 is: 7,989,170.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691,611.60 : 13,032,233.40 = 5,328,232.40 : x
  2. Step 2: Convert to fraction form
    8,691,611.60/13,032,233.40 = 5,328,232.40/x
  3. Step 3: Cross multiply
    8,691,611.60x = 13,032,233.40 × 5,328,232.40
  4. Step 4: Simplify right side
    8,691,611.60x = 69,438,768,246,242.16
  5. Step 5: Solve for x
    x = 69,438,768,246,242.16/8,691,611.60
  6. Step 6: Final answer
    x = 7,989,170.64

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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.