Home / 8,918,132.39-12,307,183.94-5,051,453.75

Finding the Fourth Proportional to 8,918,132.39, 12,307,183.94 and 5,051,453.75

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Solution

The fourth proportional to 8,918,132.39, 12,307,183.94 and 5,051,453.75 is: 6,971,097.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,918,132.39 : 12,307,183.94 = 5,051,453.75 : x
  2. Step 2: Convert to fraction form
    8,918,132.39/12,307,183.94 = 5,051,453.75/x
  3. Step 3: Cross multiply
    8,918,132.39x = 12,307,183.94 × 5,051,453.75
  4. Step 4: Simplify right side
    8,918,132.39x = 62,169,170,465,652.77
  5. Step 5: Solve for x
    x = 62,169,170,465,652.77/8,918,132.39
  6. Step 6: Final answer
    x = 6,971,097.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.