Home / 7,619,257.09-11,428,853.50-2,760,424.45

Finding the Fourth Proportional to 7,619,257.09, 11,428,853.50 and 2,760,424.45

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Solution

The fourth proportional to 7,619,257.09, 11,428,853.50 and 2,760,424.45 is: 4,140,625.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619,257.09 : 11,428,853.50 = 2,760,424.45 : x
  2. Step 2: Convert to fraction form
    7,619,257.09/11,428,853.50 = 2,760,424.45/x
  3. Step 3: Cross multiply
    7,619,257.09x = 11,428,853.50 × 2,760,424.45
  4. Step 4: Simplify right side
    7,619,257.09x = 31,548,486,636,868.08
  5. Step 5: Solve for x
    x = 31,548,486,636,868.08/7,619,257.09
  6. Step 6: Final answer
    x = 4,140,625.03

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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.