Home / 7,775,411.18-11,663,067.54-2,655,370.76

Finding the Fourth Proportional to 7,775,411.18, 11,663,067.54 and 2,655,370.76

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Solution

The fourth proportional to 7,775,411.18, 11,663,067.54 and 2,655,370.76 is: 3,983,039.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775,411.18 : 11,663,067.54 = 2,655,370.76 : x
  2. Step 2: Convert to fraction form
    7,775,411.18/11,663,067.54 = 2,655,370.76/x
  3. Step 3: Cross multiply
    7,775,411.18x = 11,663,067.54 × 2,655,370.76
  4. Step 4: Simplify right side
    7,775,411.18x = 30,969,768,517,621.12
  5. Step 5: Solve for x
    x = 30,969,768,517,621.12/7,775,411.18
  6. Step 6: Final answer
    x = 3,983,039.33

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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.