Home / 7,678,346.76-11,518,132.50-2,629,701

Finding the Fourth Proportional to 7,678,346.76, 11,518,132.50 and 2,629,701

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Solution

The fourth proportional to 7,678,346.76, 11,518,132.50 and 2,629,701 is: 3,944,761.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678,346.76 : 11,518,132.50 = 2,629,701 : x
  2. Step 2: Convert to fraction form
    7,678,346.76/11,518,132.50 = 2,629,701/x
  3. Step 3: Cross multiply
    7,678,346.76x = 11,518,132.50 × 2,629,701
  4. Step 4: Simplify right side
    7,678,346.76x = 30,289,244,553,382.50
  5. Step 5: Solve for x
    x = 30,289,244,553,382.50/7,678,346.76
  6. Step 6: Final answer
    x = 3,944,761.22

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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.