Home / 12,658,854.17-17,469,148.77-6,857,749.19

Finding the Fourth Proportional to 12,658,854.17, 17,469,148.77 and 6,857,749.19

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Solution

The fourth proportional to 12,658,854.17, 17,469,148.77 and 6,857,749.19 is: 9,463,655.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,658,854.17 : 17,469,148.77 = 6,857,749.19 : x
  2. Step 2: Convert to fraction form
    12,658,854.17/17,469,148.77 = 6,857,749.19/x
  3. Step 3: Cross multiply
    12,658,854.17x = 17,469,148.77 × 6,857,749.19
  4. Step 4: Simplify right side
    12,658,854.17x = 119,799,040,871,129.86
  5. Step 5: Solve for x
    x = 119,799,040,871,129.86/12,658,854.17
  6. Step 6: Final answer
    x = 9,463,655.97

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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.