Home / 10,382,219.40-15,576,656.10-7,269,513.06

Finding the Fourth Proportional to 10,382,219.40, 15,576,656.10 and 7,269,513.06

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Solution

The fourth proportional to 10,382,219.40, 15,576,656.10 and 7,269,513.06 is: 10,906,599.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382,219.40 : 15,576,656.10 = 7,269,513.06 : x
  2. Step 2: Convert to fraction form
    10,382,219.40/15,576,656.10 = 7,269,513.06/x
  3. Step 3: Cross multiply
    10,382,219.40x = 15,576,656.10 × 7,269,513.06
  4. Step 4: Simplify right side
    10,382,219.40x = 113,234,704,950,078.66
  5. Step 5: Solve for x
    x = 113,234,704,950,078.66/10,382,219.40
  6. Step 6: Final answer
    x = 10,906,599.12

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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.