Home / 21,176,063.31-31,748,609.21-6,790,942.83

Finding the Fourth Proportional to 21,176,063.31, 31,748,609.21 and 6,790,942.83

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Solution

The fourth proportional to 21,176,063.31, 31,748,609.21 and 6,790,942.83 is: 10,181,448.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,176,063.31 : 31,748,609.21 = 6,790,942.83 : x
  2. Step 2: Convert to fraction form
    21,176,063.31/31,748,609.21 = 6,790,942.83/x
  3. Step 3: Cross multiply
    21,176,063.31x = 31,748,609.21 × 6,790,942.83
  4. Step 4: Simplify right side
    21,176,063.31x = 215,602,990,043,166.75
  5. Step 5: Solve for x
    x = 215,602,990,043,166.75/21,176,063.31
  6. Step 6: Final answer
    x = 10,181,448.12

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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.