Home / 10,731,842.97-14,805,057.83-6,378,455.13

Finding the Fourth Proportional to 10,731,842.97, 14,805,057.83 and 6,378,455.13

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Solution

The fourth proportional to 10,731,842.97, 14,805,057.83 and 6,378,455.13 is: 8,799,364.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,731,842.97 : 14,805,057.83 = 6,378,455.13 : x
  2. Step 2: Convert to fraction form
    10,731,842.97/14,805,057.83 = 6,378,455.13/x
  3. Step 3: Cross multiply
    10,731,842.97x = 14,805,057.83 × 6,378,455.13
  4. Step 4: Simplify right side
    10,731,842.97x = 94,433,397,033,817.89
  5. Step 5: Solve for x
    x = 94,433,397,033,817.89/10,731,842.97
  6. Step 6: Final answer
    x = 8,799,364.41

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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.