Home / 7,752,145.76-10,697,961.29-4,315,198.71

Finding the Fourth Proportional to 7,752,145.76, 10,697,961.29 and 4,315,198.71

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Solution

The fourth proportional to 7,752,145.76, 10,697,961.29 and 4,315,198.71 is: 5,954,974.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752,145.76 : 10,697,961.29 = 4,315,198.71 : x
  2. Step 2: Convert to fraction form
    7,752,145.76/10,697,961.29 = 4,315,198.71/x
  3. Step 3: Cross multiply
    7,752,145.76x = 10,697,961.29 × 4,315,198.71
  4. Step 4: Simplify right side
    7,752,145.76x = 46,163,828,736,661.95
  5. Step 5: Solve for x
    x = 46,163,828,736,661.95/7,752,145.76
  6. Step 6: Final answer
    x = 5,954,974.30

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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.