Home / 20,860,610.09-31,299,906.15-11,282,731.07

Finding the Fourth Proportional to 20,860,610.09, 31,299,906.15 and 11,282,731.07

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Solution

The fourth proportional to 20,860,610.09, 31,299,906.15 and 11,282,731.07 is: 16,928,959.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,860,610.09 : 31,299,906.15 = 11,282,731.07 : x
  2. Step 2: Convert to fraction form
    20,860,610.09/31,299,906.15 = 11,282,731.07/x
  3. Step 3: Cross multiply
    20,860,610.09x = 31,299,906.15 × 11,282,731.07
  4. Step 4: Simplify right side
    20,860,610.09x = 353,148,423,450,189.50
  5. Step 5: Solve for x
    x = 353,148,423,450,189.50/20,860,610.09
  6. Step 6: Final answer
    x = 16,928,959.51

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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.