Home / 18,146,896.20-27,251,837.10-9,643,840.20

Finding the Fourth Proportional to 18,146,896.20, 27,251,837.10 and 9,643,840.20

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Solution

The fourth proportional to 18,146,896.20, 27,251,837.10 and 9,643,840.20 is: 14,482,496.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146,896.20 : 27,251,837.10 = 9,643,840.20 : x
  2. Step 2: Convert to fraction form
    18,146,896.20/27,251,837.10 = 9,643,840.20/x
  3. Step 3: Cross multiply
    18,146,896.20x = 27,251,837.10 × 9,643,840.20
  4. Step 4: Simplify right side
    18,146,896.20x = 262,812,362,148,831.41
  5. Step 5: Solve for x
    x = 262,812,362,148,831.41/18,146,896.20
  6. Step 6: Final answer
    x = 14,482,496.58

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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.