Home / 12,452,452.47-18,682,292.72-5,164,575.68

Finding the Fourth Proportional to 12,452,452.47, 18,682,292.72 and 5,164,575.68

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Solution

The fourth proportional to 12,452,452.47, 18,682,292.72 and 5,164,575.68 is: 7,748,362.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452,452.47 : 18,682,292.72 = 5,164,575.68 : x
  2. Step 2: Convert to fraction form
    12,452,452.47/18,682,292.72 = 5,164,575.68/x
  3. Step 3: Cross multiply
    12,452,452.47x = 18,682,292.72 × 5,164,575.68
  4. Step 4: Simplify right side
    12,452,452.47x = 96,486,114,687,970.22
  5. Step 5: Solve for x
    x = 96,486,114,687,970.22/12,452,452.47
  6. Step 6: Final answer
    x = 7,748,362.41

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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.