Home / 20,695,224.60-31,042,836.90-9,906,972.30

Finding the Fourth Proportional to 20,695,224.60, 31,042,836.90 and 9,906,972.30

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Solution

The fourth proportional to 20,695,224.60, 31,042,836.90 and 9,906,972.30 is: 14,860,458.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,695,224.60 : 31,042,836.90 = 9,906,972.30 : x
  2. Step 2: Convert to fraction form
    20,695,224.60/31,042,836.90 = 9,906,972.30/x
  3. Step 3: Cross multiply
    20,695,224.60x = 31,042,836.90 × 9,906,972.30
  4. Step 4: Simplify right side
    20,695,224.60x = 307,540,525,281,717.88
  5. Step 5: Solve for x
    x = 307,540,525,281,717.88/20,695,224.60
  6. Step 6: Final answer
    x = 14,860,458.45

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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.