Home / 31,245,341.71-43,109,244.44-20,214,624.01

Finding the Fourth Proportional to 31,245,341.71, 43,109,244.44 and 20,214,624.01

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Solution

The fourth proportional to 31,245,341.71, 43,109,244.44 and 20,214,624.01 is: 27,890,146.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,245,341.71 : 43,109,244.44 = 20,214,624.01 : x
  2. Step 2: Convert to fraction form
    31,245,341.71/43,109,244.44 = 20,214,624.01/x
  3. Step 3: Cross multiply
    31,245,341.71x = 43,109,244.44 × 20,214,624.01
  4. Step 4: Simplify right side
    31,245,341.71x = 871,437,167,576,741.62
  5. Step 5: Solve for x
    x = 871,437,167,576,741.62/31,245,341.71
  6. Step 6: Final answer
    x = 27,890,146.82

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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.