Home / 12,296,642.12-16,970,862.26-7,140,003.51

Finding the Fourth Proportional to 12,296,642.12, 16,970,862.26 and 7,140,003.51

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Solution

The fourth proportional to 12,296,642.12, 16,970,862.26 and 7,140,003.51 is: 9,854,073.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296,642.12 : 16,970,862.26 = 7,140,003.51 : x
  2. Step 2: Convert to fraction form
    12,296,642.12/16,970,862.26 = 7,140,003.51/x
  3. Step 3: Cross multiply
    12,296,642.12x = 16,970,862.26 × 7,140,003.51
  4. Step 4: Simplify right side
    12,296,642.12x = 121,172,016,104,126.55
  5. Step 5: Solve for x
    x = 121,172,016,104,126.55/12,296,642.12
  6. Step 6: Final answer
    x = 9,854,073.57

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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.