Home / 12,317,065.20-18,486,095.40-5,504,122.80

Finding the Fourth Proportional to 12,317,065.20, 18,486,095.40 and 5,504,122.80

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Solution

The fourth proportional to 12,317,065.20, 18,486,095.40 and 5,504,122.80 is: 8,260,875.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317,065.20 : 18,486,095.40 = 5,504,122.80 : x
  2. Step 2: Convert to fraction form
    12,317,065.20/18,486,095.40 = 5,504,122.80/x
  3. Step 3: Cross multiply
    12,317,065.20x = 18,486,095.40 × 5,504,122.80
  4. Step 4: Simplify right side
    12,317,065.20x = 101,749,739,174,115.11
  5. Step 5: Solve for x
    x = 101,749,739,174,115.11/12,317,065.20
  6. Step 6: Final answer
    x = 8,260,875.26

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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.