Home / 12,568,319.60-17,344,295.76-7,135,811.60

Finding the Fourth Proportional to 12,568,319.60, 17,344,295.76 and 7,135,811.60

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Solution

The fourth proportional to 12,568,319.60, 17,344,295.76 and 7,135,811.60 is: 9,847,428.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,568,319.60 : 17,344,295.76 = 7,135,811.60 : x
  2. Step 2: Convert to fraction form
    12,568,319.60/17,344,295.76 = 7,135,811.60/x
  3. Step 3: Cross multiply
    12,568,319.60x = 17,344,295.76 × 7,135,811.60
  4. Step 4: Simplify right side
    12,568,319.60x = 123,765,626,878,038.83
  5. Step 5: Solve for x
    x = 123,765,626,878,038.83/12,568,319.60
  6. Step 6: Final answer
    x = 9,847,428.36

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1.5x scale

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.