Home / 8,190,873.60-12,296,419.20-5,158,233.60

Finding the Fourth Proportional to 8,190,873.60, 12,296,419.20 and 5,158,233.60

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Solution

The fourth proportional to 8,190,873.60, 12,296,419.20 and 5,158,233.60 is: 7,743,716.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190,873.60 : 12,296,419.20 = 5,158,233.60 : x
  2. Step 2: Convert to fraction form
    8,190,873.60/12,296,419.20 = 5,158,233.60/x
  3. Step 3: Cross multiply
    8,190,873.60x = 12,296,419.20 × 5,158,233.60
  4. Step 4: Simplify right side
    8,190,873.60x = 63,427,802,677,125.11
  5. Step 5: Solve for x
    x = 63,427,802,677,125.11/8,190,873.60
  6. Step 6: Final answer
    x = 7,743,716.45

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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.