Home / 7,160,619.84-9,882,496.82-4,021,399.41

Finding the Fourth Proportional to 7,160,619.84, 9,882,496.82 and 4,021,399.41

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Solution

The fourth proportional to 7,160,619.84, 9,882,496.82 and 4,021,399.41 is: 5,550,003.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160,619.84 : 9,882,496.82 = 4,021,399.41 : x
  2. Step 2: Convert to fraction form
    7,160,619.84/9,882,496.82 = 4,021,399.41/x
  3. Step 3: Cross multiply
    7,160,619.84x = 9,882,496.82 × 4,021,399.41
  4. Step 4: Simplify right side
    7,160,619.84x = 39,741,466,881,274.88
  5. Step 5: Solve for x
    x = 39,741,466,881,274.88/7,160,619.84
  6. Step 6: Final answer
    x = 5,550,003.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.