Home / 20,717,866.63-31,079,198.73-6,886,060.75

Finding the Fourth Proportional to 20,717,866.63, 31,079,198.73 and 6,886,060.75

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Solution

The fourth proportional to 20,717,866.63, 31,079,198.73 and 6,886,060.75 is: 10,329,888.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,717,866.63 : 31,079,198.73 = 6,886,060.75 : x
  2. Step 2: Convert to fraction form
    20,717,866.63/31,079,198.73 = 6,886,060.75/x
  3. Step 3: Cross multiply
    20,717,866.63x = 31,079,198.73 × 6,886,060.75
  4. Step 4: Simplify right side
    20,717,866.63x = 214,013,250,516,102.84
  5. Step 5: Solve for x
    x = 214,013,250,516,102.84/20,717,866.63
  6. Step 6: Final answer
    x = 10,329,888.42

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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.