Home / 18,553,505-25,605,047.94-10,713,348.20

Finding the Fourth Proportional to 18,553,505, 25,605,047.94 and 10,713,348.20

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Solution

The fourth proportional to 18,553,505, 25,605,047.94 and 10,713,348.20 is: 14,785,119.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,553,505 : 25,605,047.94 = 10,713,348.20 : x
  2. Step 2: Convert to fraction form
    18,553,505/25,605,047.94 = 10,713,348.20/x
  3. Step 3: Cross multiply
    18,553,505x = 25,605,047.94 × 10,713,348.20
  4. Step 4: Simplify right side
    18,553,505x = 274,315,794,258,912.72
  5. Step 5: Solve for x
    x = 274,315,794,258,912.72/18,553,505
  6. Step 6: Final answer
    x = 14,785,119.81

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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.