Home / 22,465,955.38-30,993,171.06-13,168,812.10

Finding the Fourth Proportional to 22,465,955.38, 30,993,171.06 and 13,168,812.10

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Solution

The fourth proportional to 22,465,955.38, 30,993,171.06 and 13,168,812.10 is: 18,167,188.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,465,955.38 : 30,993,171.06 = 13,168,812.10 : x
  2. Step 2: Convert to fraction form
    22,465,955.38/30,993,171.06 = 13,168,812.10/x
  3. Step 3: Cross multiply
    22,465,955.38x = 30,993,171.06 × 13,168,812.10
  4. Step 4: Simplify right side
    22,465,955.38x = 408,143,246,072,297.81
  5. Step 5: Solve for x
    x = 408,143,246,072,297.81/22,465,955.38
  6. Step 6: Final answer
    x = 18,167,188.49

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1.5x scale

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.