Home / 12,880,559.64-17,775,211.12-7,079,935.80

Finding the Fourth Proportional to 12,880,559.64, 17,775,211.12 and 7,079,935.80

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Solution

The fourth proportional to 12,880,559.64, 17,775,211.12 and 7,079,935.80 is: 9,770,332.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,880,559.64 : 17,775,211.12 = 7,079,935.80 : x
  2. Step 2: Convert to fraction form
    12,880,559.64/17,775,211.12 = 7,079,935.80/x
  3. Step 3: Cross multiply
    12,880,559.64x = 17,775,211.12 × 7,079,935.80
  4. Step 4: Simplify right side
    12,880,559.64x = 125,847,353,561,046.09
  5. Step 5: Solve for x
    x = 125,847,353,561,046.09/12,880,559.64
  6. Step 6: Final answer
    x = 9,770,332.74

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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.