Home / 6,680,999.76-10,016,592.66-2,129,428.32

Finding the Fourth Proportional to 6,680,999.76, 10,016,592.66 and 2,129,428.32

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Solution

The fourth proportional to 6,680,999.76, 10,016,592.66 and 2,129,428.32 is: 3,192,578.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680,999.76 : 10,016,592.66 = 2,129,428.32 : x
  2. Step 2: Convert to fraction form
    6,680,999.76/10,016,592.66 = 2,129,428.32/x
  3. Step 3: Cross multiply
    6,680,999.76x = 10,016,592.66 × 2,129,428.32
  4. Step 4: Simplify right side
    6,680,999.76x = 21,329,616,080,108.13
  5. Step 5: Solve for x
    x = 21,329,616,080,108.13/6,680,999.76
  6. Step 6: Final answer
    x = 3,192,578.48

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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.