Home / 16,770,309.66-23,142,888.22-9,428,175.53

Finding the Fourth Proportional to 16,770,309.66, 23,142,888.22 and 9,428,175.53

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Solution

The fourth proportional to 16,770,309.66, 23,142,888.22 and 9,428,175.53 is: 13,010,804.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770,309.66 : 23,142,888.22 = 9,428,175.53 : x
  2. Step 2: Convert to fraction form
    16,770,309.66/23,142,888.22 = 9,428,175.53/x
  3. Step 3: Cross multiply
    16,770,309.66x = 23,142,888.22 × 9,428,175.53
  4. Step 4: Simplify right side
    16,770,309.66x = 218,195,212,374,508.03
  5. Step 5: Solve for x
    x = 218,195,212,374,508.03/16,770,309.66
  6. Step 6: Final answer
    x = 13,010,804.02

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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.