Home / 7,756,474.86-11,636,932.14-2,640,032.10

Finding the Fourth Proportional to 7,756,474.86, 11,636,932.14 and 2,640,032.10

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Solution

The fourth proportional to 7,756,474.86, 11,636,932.14 and 2,640,032.10 is: 3,960,803.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756,474.86 : 11,636,932.14 = 2,640,032.10 : x
  2. Step 2: Convert to fraction form
    7,756,474.86/11,636,932.14 = 2,640,032.10/x
  3. Step 3: Cross multiply
    7,756,474.86x = 11,636,932.14 × 2,640,032.10
  4. Step 4: Simplify right side
    7,756,474.86x = 30,721,874,395,121.70
  5. Step 5: Solve for x
    x = 30,721,874,395,121.70/7,756,474.86
  6. Step 6: Final answer
    x = 3,960,803.71

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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.