Home / 7,661,974.84-11,492,962.14-7,278,845.24

Finding the Fourth Proportional to 7,661,974.84, 11,492,962.14 and 7,278,845.24

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Solution

The fourth proportional to 7,661,974.84, 11,492,962.14 and 7,278,845.24 is: 10,918,267.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661,974.84 : 11,492,962.14 = 7,278,845.24 : x
  2. Step 2: Convert to fraction form
    7,661,974.84/11,492,962.14 = 7,278,845.24/x
  3. Step 3: Cross multiply
    7,661,974.84x = 11,492,962.14 × 7,278,845.24
  4. Step 4: Simplify right side
    7,661,974.84x = 83,655,492,766,239.22
  5. Step 5: Solve for x
    x = 83,655,492,766,239.22/7,661,974.84
  6. Step 6: Final answer
    x = 10,918,267.75

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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.