Home / 21,323,069.12-31,984,577.76-6,946,113.44

Finding the Fourth Proportional to 21,323,069.12, 31,984,577.76 and 6,946,113.44

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Solution

The fourth proportional to 21,323,069.12, 31,984,577.76 and 6,946,113.44 is: 10,419,161.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,323,069.12 : 31,984,577.76 = 6,946,113.44 : x
  2. Step 2: Convert to fraction form
    21,323,069.12/31,984,577.76 = 6,946,113.44/x
  3. Step 3: Cross multiply
    21,323,069.12x = 31,984,577.76 × 6,946,113.44
  4. Step 4: Simplify right side
    21,323,069.12x = 222,168,505,451,461.12
  5. Step 5: Solve for x
    x = 222,168,505,451,461.12/21,323,069.12
  6. Step 6: Final answer
    x = 10,419,161.72

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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.