Home / 15,009,616.46-20,715,491.99-9,503,503.16

Finding the Fourth Proportional to 15,009,616.46, 20,715,491.99 and 9,503,503.16

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Solution

The fourth proportional to 15,009,616.46, 20,715,491.99 and 9,503,503.16 is: 13,116,240.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009,616.46 : 20,715,491.99 = 9,503,503.16 : x
  2. Step 2: Convert to fraction form
    15,009,616.46/20,715,491.99 = 9,503,503.16/x
  3. Step 3: Cross multiply
    15,009,616.46x = 20,715,491.99 × 9,503,503.16
  4. Step 4: Simplify right side
    15,009,616.46x = 196,869,743,508,100.97
  5. Step 5: Solve for x
    x = 196,869,743,508,100.97/15,009,616.46
  6. Step 6: Final answer
    x = 13,116,240.78

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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.