Home / 12,823,900.30-19,193,860.05-9,968,553.10

Finding the Fourth Proportional to 12,823,900.30, 19,193,860.05 and 9,968,553.10

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Solution

The fourth proportional to 12,823,900.30, 19,193,860.05 and 9,968,553.10 is: 14,920,188.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,823,900.30 : 19,193,860.05 = 9,968,553.10 : x
  2. Step 2: Convert to fraction form
    12,823,900.30/19,193,860.05 = 9,968,553.10/x
  3. Step 3: Cross multiply
    12,823,900.30x = 19,193,860.05 × 9,968,553.10
  4. Step 4: Simplify right side
    12,823,900.30x = 191,335,013,102,393.66
  5. Step 5: Solve for x
    x = 191,335,013,102,393.66/12,823,900.30
  6. Step 6: Final answer
    x = 14,920,188.76

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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.