Home / 20,792,115.63-31,176,757.31-6,411,190.95

Finding the Fourth Proportional to 20,792,115.63, 31,176,757.31 and 6,411,190.95

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Solution

The fourth proportional to 20,792,115.63, 31,176,757.31 and 6,411,190.95 is: 9,613,266.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,792,115.63 : 31,176,757.31 = 6,411,190.95 : x
  2. Step 2: Convert to fraction form
    20,792,115.63/31,176,757.31 = 6,411,190.95/x
  3. Step 3: Cross multiply
    20,792,115.63x = 31,176,757.31 × 6,411,190.95
  4. Step 4: Simplify right side
    20,792,115.63x = 199,880,144,284,162.41
  5. Step 5: Solve for x
    x = 199,880,144,284,162.41/20,792,115.63
  6. Step 6: Final answer
    x = 9,613,266.29

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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.