Home / 21,985,628.20-32,978,442.30-9,842,201.35

Finding the Fourth Proportional to 21,985,628.20, 32,978,442.30 and 9,842,201.35

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Solution

The fourth proportional to 21,985,628.20, 32,978,442.30 and 9,842,201.35 is: 14,763,302.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,985,628.20 : 32,978,442.30 = 9,842,201.35 : x
  2. Step 2: Convert to fraction form
    21,985,628.20/32,978,442.30 = 9,842,201.35/x
  3. Step 3: Cross multiply
    21,985,628.20x = 32,978,442.30 × 9,842,201.35
  4. Step 4: Simplify right side
    21,985,628.20x = 324,580,469,325,957.12
  5. Step 5: Solve for x
    x = 324,580,469,325,957.12/21,985,628.20
  6. Step 6: Final answer
    x = 14,763,302.03

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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.