Home / 21,323,023.70-31,964,917.90-11,593,418.48

Finding the Fourth Proportional to 21,323,023.70, 31,964,917.90 and 11,593,418.48

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Solution

The fourth proportional to 21,323,023.70, 31,964,917.90 and 11,593,418.48 is: 17,379,461.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,323,023.70 : 31,964,917.90 = 11,593,418.48 : x
  2. Step 2: Convert to fraction form
    21,323,023.70/31,964,917.90 = 11,593,418.48/x
  3. Step 3: Cross multiply
    21,323,023.70x = 31,964,917.90 × 11,593,418.48
  4. Step 4: Simplify right side
    21,323,023.70x = 370,582,669,761,545
  5. Step 5: Solve for x
    x = 370,582,669,761,545/21,323,023.70
  6. Step 6: Final answer
    x = 17,379,461.52

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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.