Home / 21,323,104.58-31,984,631.76-6,946,148.90

Finding the Fourth Proportional to 21,323,104.58, 31,984,631.76 and 6,946,148.90

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Solution

The fourth proportional to 21,323,104.58, 31,984,631.76 and 6,946,148.90 is: 10,419,215.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,323,104.58 : 31,984,631.76 = 6,946,148.90 : x
  2. Step 2: Convert to fraction form
    21,323,104.58/31,984,631.76 = 6,946,148.90/x
  3. Step 3: Cross multiply
    21,323,104.58x = 31,984,631.76 × 6,946,148.90
  4. Step 4: Simplify right side
    21,323,104.58x = 222,170,014,716,629.09
  5. Step 5: Solve for x
    x = 222,170,014,716,629.09/21,323,104.58
  6. Step 6: Final answer
    x = 10,419,215.17

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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.