Home / 13,306,637.80-19,959,956.70-8,267,789.80

Finding the Fourth Proportional to 13,306,637.80, 19,959,956.70 and 8,267,789.80

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Solution

The fourth proportional to 13,306,637.80, 19,959,956.70 and 8,267,789.80 is: 12,401,684.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,637.80 : 19,959,956.70 = 8,267,789.80 : x
  2. Step 2: Convert to fraction form
    13,306,637.80/19,959,956.70 = 8,267,789.80/x
  3. Step 3: Cross multiply
    13,306,637.80x = 19,959,956.70 × 8,267,789.80
  4. Step 4: Simplify right side
    13,306,637.80x = 165,024,726,412,701.66
  5. Step 5: Solve for x
    x = 165,024,726,412,701.66/13,306,637.80
  6. Step 6: Final answer
    x = 12,401,684.70

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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.