Home / 47,728,444.81-71,563,367.64-18,548,212.40

Finding the Fourth Proportional to 47,728,444.81, 71,563,367.64 and 18,548,212.40

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Solution

The fourth proportional to 47,728,444.81, 71,563,367.64 and 18,548,212.40 is: 27,810,932.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,728,444.81 : 71,563,367.64 = 18,548,212.40 : x
  2. Step 2: Convert to fraction form
    47,728,444.81/71,563,367.64 = 18,548,212.40/x
  3. Step 3: Cross multiply
    47,728,444.81x = 71,563,367.64 × 18,548,212.40
  4. Step 4: Simplify right side
    47,728,444.81x = 1,327,372,543,175,203
  5. Step 5: Solve for x
    x = 1,327,372,543,175,203/47,728,444.81
  6. Step 6: Final answer
    x = 27,810,932.21

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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.