Home / 13,208,934.30-19,813,401.45-12,092,908.20

Finding the Fourth Proportional to 13,208,934.30, 19,813,401.45 and 12,092,908.20

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Solution

The fourth proportional to 13,208,934.30, 19,813,401.45 and 12,092,908.20 is: 18,139,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208,934.30 : 19,813,401.45 = 12,092,908.20 : x
  2. Step 2: Convert to fraction form
    13,208,934.30/19,813,401.45 = 12,092,908.20/x
  3. Step 3: Cross multiply
    13,208,934.30x = 19,813,401.45 × 12,092,908.20
  4. Step 4: Simplify right side
    13,208,934.30x = 239,601,644,864,596.88
  5. Step 5: Solve for x
    x = 239,601,644,864,596.88/13,208,934.30
  6. Step 6: Final answer
    x = 18,139,362.30

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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.