Home / 21,651,809.49-32,468,007.20-12,902,214.60

Finding the Fourth Proportional to 21,651,809.49, 32,468,007.20 and 12,902,214.60

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Solution

The fourth proportional to 21,651,809.49, 32,468,007.20 and 12,902,214.60 is: 19,347,537.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,651,809.49 : 32,468,007.20 = 12,902,214.60 : x
  2. Step 2: Convert to fraction form
    21,651,809.49/32,468,007.20 = 12,902,214.60/x
  3. Step 3: Cross multiply
    21,651,809.49x = 32,468,007.20 × 12,902,214.60
  4. Step 4: Simplify right side
    21,651,809.49x = 418,909,196,464,234.06
  5. Step 5: Solve for x
    x = 418,909,196,464,234.06/21,651,809.49
  6. Step 6: Final answer
    x = 19,347,537.52

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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.