Home / 17,178,696.69-25,711,965.21-12,628,541.13

Finding the Fourth Proportional to 17,178,696.69, 25,711,965.21 and 12,628,541.13

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Solution

The fourth proportional to 17,178,696.69, 25,711,965.21 and 12,628,541.13 is: 18,901,585.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,178,696.69 : 25,711,965.21 = 12,628,541.13 : x
  2. Step 2: Convert to fraction form
    17,178,696.69/25,711,965.21 = 12,628,541.13/x
  3. Step 3: Cross multiply
    17,178,696.69x = 25,711,965.21 × 12,628,541.13
  4. Step 4: Simplify right side
    17,178,696.69x = 324,704,610,187,614.12
  5. Step 5: Solve for x
    x = 324,704,610,187,614.12/17,178,696.69
  6. Step 6: Final answer
    x = 18,901,585.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.