Home / 7,115,463.76-10,675,191.08-2,858,621.36

Finding the Fourth Proportional to 7,115,463.76, 10,675,191.08 and 2,858,621.36

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Solution

The fourth proportional to 7,115,463.76, 10,675,191.08 and 2,858,621.36 is: 4,288,733.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115,463.76 : 10,675,191.08 = 2,858,621.36 : x
  2. Step 2: Convert to fraction form
    7,115,463.76/10,675,191.08 = 2,858,621.36/x
  3. Step 3: Cross multiply
    7,115,463.76x = 10,675,191.08 × 2,858,621.36
  4. Step 4: Simplify right side
    7,115,463.76x = 30,516,329,243,369.47
  5. Step 5: Solve for x
    x = 30,516,329,243,369.47/7,115,463.76
  6. Step 6: Final answer
    x = 4,288,733.70

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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.