Home / 40,478,928.66-55,861,362.45-22,143,820.50

Finding the Fourth Proportional to 40,478,928.66, 55,861,362.45 and 22,143,820.50

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Solution

The fourth proportional to 40,478,928.66, 55,861,362.45 and 22,143,820.50 is: 30,558,713.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,478,928.66 : 55,861,362.45 = 22,143,820.50 : x
  2. Step 2: Convert to fraction form
    40,478,928.66/55,861,362.45 = 22,143,820.50/x
  3. Step 3: Cross multiply
    40,478,928.66x = 55,861,362.45 × 22,143,820.50
  4. Step 4: Simplify right side
    40,478,928.66x = 1,236,983,982,978,240.25
  5. Step 5: Solve for x
    x = 1,236,983,982,978,240.25/40,478,928.66
  6. Step 6: Final answer
    x = 30,558,713.48

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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.