Home / 21,176,063.06-31,748,608.83-6,790,942.58

Finding the Fourth Proportional to 21,176,063.06, 31,748,608.83 and 6,790,942.58

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Solution

The fourth proportional to 21,176,063.06, 31,748,608.83 and 6,790,942.58 is: 10,181,447.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,176,063.06 : 31,748,608.83 = 6,790,942.58 : x
  2. Step 2: Convert to fraction form
    21,176,063.06/31,748,608.83 = 6,790,942.58/x
  3. Step 3: Cross multiply
    21,176,063.06x = 31,748,608.83 × 6,790,942.58
  4. Step 4: Simplify right side
    21,176,063.06x = 215,602,979,559,410.97
  5. Step 5: Solve for x
    x = 215,602,979,559,410.97/21,176,063.06
  6. Step 6: Final answer
    x = 10,181,447.75

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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.