Home / 21,651,819.49-32,468,022.18-12,902,224.60

Finding the Fourth Proportional to 21,651,819.49, 32,468,022.18 and 12,902,224.60

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Solution

The fourth proportional to 21,651,819.49, 32,468,022.18 and 12,902,224.60 is: 19,347,552.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,651,819.49 : 32,468,022.18 = 12,902,224.60 : x
  2. Step 2: Convert to fraction form
    21,651,819.49/32,468,022.18 = 12,902,224.60/x
  3. Step 3: Cross multiply
    21,651,819.49x = 32,468,022.18 × 12,902,224.60
  4. Step 4: Simplify right side
    21,651,819.49x = 418,909,714,484,141.62
  5. Step 5: Solve for x
    x = 418,909,714,484,141.62/21,651,819.49
  6. Step 6: Final answer
    x = 19,347,552.51

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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.