Home / 12,557,755.08-17,327,617.38-7,400,416.68

Finding the Fourth Proportional to 12,557,755.08, 17,327,617.38 and 7,400,416.68

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Solution

The fourth proportional to 12,557,755.08, 17,327,617.38 and 7,400,416.68 is: 10,211,346.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557,755.08 : 17,327,617.38 = 7,400,416.68 : x
  2. Step 2: Convert to fraction form
    12,557,755.08/17,327,617.38 = 7,400,416.68/x
  3. Step 3: Cross multiply
    12,557,755.08x = 17,327,617.38 × 7,400,416.68
  4. Step 4: Simplify right side
    12,557,755.08x = 128,231,588,683,609.89
  5. Step 5: Solve for x
    x = 128,231,588,683,609.89/12,557,755.08
  6. Step 6: Final answer
    x = 10,211,346.52

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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.