Home / 40,189,219.32-55,459,448.46-22,786,740.84

Finding the Fourth Proportional to 40,189,219.32, 55,459,448.46 and 22,786,740.84

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Solution

The fourth proportional to 40,189,219.32, 55,459,448.46 and 22,786,740.84 is: 31,444,753.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,189,219.32 : 55,459,448.46 = 22,786,740.84 : x
  2. Step 2: Convert to fraction form
    40,189,219.32/55,459,448.46 = 22,786,740.84/x
  3. Step 3: Cross multiply
    40,189,219.32x = 55,459,448.46 × 22,786,740.84
  4. Step 4: Simplify right side
    40,189,219.32x = 1,263,740,079,187,357
  5. Step 5: Solve for x
    x = 1,263,740,079,187,357/40,189,219.32
  6. Step 6: Final answer
    x = 31,444,753.11

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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.