Home / 10,382,221.40-15,576,659.10-7,269,515.06

Finding the Fourth Proportional to 10,382,221.40, 15,576,659.10 and 7,269,515.06

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Solution

The fourth proportional to 10,382,221.40, 15,576,659.10 and 7,269,515.06 is: 10,906,602.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382,221.40 : 15,576,659.10 = 7,269,515.06 : x
  2. Step 2: Convert to fraction form
    10,382,221.40/15,576,659.10 = 7,269,515.06/x
  3. Step 3: Cross multiply
    10,382,221.40x = 15,576,659.10 × 7,269,515.06
  4. Step 4: Simplify right side
    10,382,221.40x = 113,234,757,911,936.03
  5. Step 5: Solve for x
    x = 113,234,757,911,936.03/10,382,221.40
  6. Step 6: Final answer
    x = 10,906,602.12

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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.