Home / 12,872,467-19,308,401.34-6,481,003.24

Finding the Fourth Proportional to 12,872,467, 19,308,401.34 and 6,481,003.24

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Solution

The fourth proportional to 12,872,467, 19,308,401.34 and 6,481,003.24 is: 9,721,354.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,872,467 : 19,308,401.34 = 6,481,003.24 : x
  2. Step 2: Convert to fraction form
    12,872,467/19,308,401.34 = 6,481,003.24/x
  3. Step 3: Cross multiply
    12,872,467x = 19,308,401.34 × 6,481,003.24
  4. Step 4: Simplify right side
    12,872,467x = 125,137,811,643,760.34
  5. Step 5: Solve for x
    x = 125,137,811,643,760.34/12,872,467
  6. Step 6: Final answer
    x = 9,721,354.24

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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.