Home / 13,889,270.18-19,167,190.38-7,694,719.52

Finding the Fourth Proportional to 13,889,270.18, 19,167,190.38 and 7,694,719.52

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Solution

The fourth proportional to 13,889,270.18, 19,167,190.38 and 7,694,719.52 is: 10,618,711.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889,270.18 : 19,167,190.38 = 7,694,719.52 : x
  2. Step 2: Convert to fraction form
    13,889,270.18/19,167,190.38 = 7,694,719.52/x
  3. Step 3: Cross multiply
    13,889,270.18x = 19,167,190.38 × 7,694,719.52
  4. Step 4: Simplify right side
    13,889,270.18x = 147,486,153,960,542.19
  5. Step 5: Solve for x
    x = 147,486,153,960,542.19/13,889,270.18
  6. Step 6: Final answer
    x = 10,618,711.57

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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.