Home / 51,876,907.28-77,816,946.20-17,797,775.12

Finding the Fourth Proportional to 51,876,907.28, 77,816,946.20 and 17,797,775.12

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Solution

The fourth proportional to 51,876,907.28, 77,816,946.20 and 17,797,775.12 is: 26,697,206.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,876,907.28 : 77,816,946.20 = 17,797,775.12 : x
  2. Step 2: Convert to fraction form
    51,876,907.28/77,816,946.20 = 17,797,775.12/x
  3. Step 3: Cross multiply
    51,876,907.28x = 77,816,946.20 × 17,797,775.12
  4. Step 4: Simplify right side
    51,876,907.28x = 1,384,968,508,992,738.75
  5. Step 5: Solve for x
    x = 1,384,968,508,992,738.75/51,876,907.28
  6. Step 6: Final answer
    x = 26,697,206.55

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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.