Home / 12,376,140.90-17,078,809.82-6,869,194.71

Finding the Fourth Proportional to 12,376,140.90, 17,078,809.82 and 6,869,194.71

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Solution

The fourth proportional to 12,376,140.90, 17,078,809.82 and 6,869,194.71 is: 9,479,341.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376,140.90 : 17,078,809.82 = 6,869,194.71 : x
  2. Step 2: Convert to fraction form
    12,376,140.90/17,078,809.82 = 6,869,194.71/x
  3. Step 3: Cross multiply
    12,376,140.90x = 17,078,809.82 × 6,869,194.71
  4. Step 4: Simplify right side
    12,376,140.90x = 117,317,670,034,294.09
  5. Step 5: Solve for x
    x = 117,317,670,034,294.09/12,376,140.90
  6. Step 6: Final answer
    x = 9,479,341.82

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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.