Home / 12,268,322.56-16,930,625.43-7,041,778.93

Finding the Fourth Proportional to 12,268,322.56, 16,930,625.43 and 7,041,778.93

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Solution

The fourth proportional to 12,268,322.56, 16,930,625.43 and 7,041,778.93 is: 9,717,850.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268,322.56 : 16,930,625.43 = 7,041,778.93 : x
  2. Step 2: Convert to fraction form
    12,268,322.56/16,930,625.43 = 7,041,778.93/x
  3. Step 3: Cross multiply
    12,268,322.56x = 16,930,625.43 × 7,041,778.93
  4. Step 4: Simplify right side
    12,268,322.56x = 119,221,721,424,696.19
  5. Step 5: Solve for x
    x = 119,221,721,424,696.19/12,268,322.56
  6. Step 6: Final answer
    x = 9,717,850.25

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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.