Home / 13,542,348.98-20,313,288.20-5,455,117.89

Finding the Fourth Proportional to 13,542,348.98, 20,313,288.20 and 5,455,117.89

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Solution

The fourth proportional to 13,542,348.98, 20,313,288.20 and 5,455,117.89 is: 8,182,582.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,542,348.98 : 20,313,288.20 = 5,455,117.89 : x
  2. Step 2: Convert to fraction form
    13,542,348.98/20,313,288.20 = 5,455,117.89/x
  3. Step 3: Cross multiply
    13,542,348.98x = 20,313,288.20 × 5,455,117.89
  4. Step 4: Simplify right side
    13,542,348.98x = 110,811,381,837,270.30
  5. Step 5: Solve for x
    x = 110,811,381,837,270.30/13,542,348.98
  6. Step 6: Final answer
    x = 8,182,582.06

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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.