Home / 13,165,299.74-19,740,849.14-5,972,909.20

Finding the Fourth Proportional to 13,165,299.74, 19,740,849.14 and 5,972,909.20

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Solution

The fourth proportional to 13,165,299.74, 19,740,849.14 and 5,972,909.20 is: 8,956,142.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,165,299.74 : 19,740,849.14 = 5,972,909.20 : x
  2. Step 2: Convert to fraction form
    13,165,299.74/19,740,849.14 = 5,972,909.20/x
  3. Step 3: Cross multiply
    13,165,299.74x = 19,740,849.14 × 5,972,909.20
  4. Step 4: Simplify right side
    13,165,299.74x = 117,910,299,444,118.09
  5. Step 5: Solve for x
    x = 117,910,299,444,118.09/13,165,299.74
  6. Step 6: Final answer
    x = 8,956,142.42

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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.