Home / 21,323,013.36-31,984,494.12-6,946,057.68

Finding the Fourth Proportional to 21,323,013.36, 31,984,494.12 and 6,946,057.68

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Solution

The fourth proportional to 21,323,013.36, 31,984,494.12 and 6,946,057.68 is: 10,419,078.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,323,013.36 : 31,984,494.12 = 6,946,057.68 : x
  2. Step 2: Convert to fraction form
    21,323,013.36/31,984,494.12 = 6,946,057.68/x
  3. Step 3: Cross multiply
    21,323,013.36x = 31,984,494.12 × 6,946,057.68
  4. Step 4: Simplify right side
    21,323,013.36x = 222,166,141,023,140.84
  5. Step 5: Solve for x
    x = 222,166,141,023,140.84/21,323,013.36
  6. Step 6: Final answer
    x = 10,419,078.08

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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.