Home / 21,097,325.63-31,650,760.98-6,721,212.35

Finding the Fourth Proportional to 21,097,325.63, 31,650,760.98 and 6,721,212.35

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Solution

The fourth proportional to 21,097,325.63, 31,650,760.98 and 6,721,212.35 is: 10,083,338.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,097,325.63 : 31,650,760.98 = 6,721,212.35 : x
  2. Step 2: Convert to fraction form
    21,097,325.63/31,650,760.98 = 6,721,212.35/x
  3. Step 3: Cross multiply
    21,097,325.63x = 31,650,760.98 × 6,721,212.35
  4. Step 4: Simplify right side
    21,097,325.63x = 212,731,485,664,801
  5. Step 5: Solve for x
    x = 212,731,485,664,801/21,097,325.63
  6. Step 6: Final answer
    x = 10,083,338.97

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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.