Home / 18,164,447.70-27,246,015.45-7,381,444.20

Finding the Fourth Proportional to 18,164,447.70, 27,246,015.45 and 7,381,444.20

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Solution

The fourth proportional to 18,164,447.70, 27,246,015.45 and 7,381,444.20 is: 11,071,899.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,164,447.70 : 27,246,015.45 = 7,381,444.20 : x
  2. Step 2: Convert to fraction form
    18,164,447.70/27,246,015.45 = 7,381,444.20/x
  3. Step 3: Cross multiply
    18,164,447.70x = 27,246,015.45 × 7,381,444.20
  4. Step 4: Simplify right side
    18,164,447.70x = 201,114,942,716,512.88
  5. Step 5: Solve for x
    x = 201,114,942,716,512.88/18,164,447.70
  6. Step 6: Final answer
    x = 11,071,899.68

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1.5x scale

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.