Home / 20,745,443.70-31,117,040.67-6,368,513.94

Finding the Fourth Proportional to 20,745,443.70, 31,117,040.67 and 6,368,513.94

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Solution

The fourth proportional to 20,745,443.70, 31,117,040.67 and 6,368,513.94 is: 9,552,425.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,745,443.70 : 31,117,040.67 = 6,368,513.94 : x
  2. Step 2: Convert to fraction form
    20,745,443.70/31,117,040.67 = 6,368,513.94/x
  3. Step 3: Cross multiply
    20,745,443.70x = 31,117,040.67 × 6,368,513.94
  4. Step 4: Simplify right side
    20,745,443.70x = 198,169,307,278,441.97
  5. Step 5: Solve for x
    x = 198,169,307,278,441.97/20,745,443.70
  6. Step 6: Final answer
    x = 9,552,425.59

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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.