Home / 13,308,949.35-19,966,311-4,086,953.55

Finding the Fourth Proportional to 13,308,949.35, 19,966,311 and 4,086,953.55

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Solution

The fourth proportional to 13,308,949.35, 19,966,311 and 4,086,953.55 is: 6,131,316.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308,949.35 : 19,966,311 = 4,086,953.55 : x
  2. Step 2: Convert to fraction form
    13,308,949.35/19,966,311 = 4,086,953.55/x
  3. Step 3: Cross multiply
    13,308,949.35x = 19,966,311 × 4,086,953.55
  4. Step 4: Simplify right side
    13,308,949.35x = 81,601,385,621,854.05
  5. Step 5: Solve for x
    x = 81,601,385,621,854.05/13,308,949.35
  6. Step 6: Final answer
    x = 6,131,316.87

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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.