Home / 36,009,102.18-54,015,974.28-12,662,981.06

Finding the Fourth Proportional to 36,009,102.18, 54,015,974.28 and 12,662,981.06

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Solution

The fourth proportional to 36,009,102.18, 54,015,974.28 and 12,662,981.06 is: 18,995,287.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,009,102.18 : 54,015,974.28 = 12,662,981.06 : x
  2. Step 2: Convert to fraction form
    36,009,102.18/54,015,974.28 = 12,662,981.06/x
  3. Step 3: Cross multiply
    36,009,102.18x = 54,015,974.28 × 12,662,981.06
  4. Step 4: Simplify right side
    36,009,102.18x = 684,003,259,181,772.25
  5. Step 5: Solve for x
    x = 684,003,259,181,772.25/36,009,102.18
  6. Step 6: Final answer
    x = 18,995,287.80

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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.