Home / 13,488,389.80-20,232,584.70-12,071,213.80

Finding the Fourth Proportional to 13,488,389.80, 20,232,584.70 and 12,071,213.80

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Solution

The fourth proportional to 13,488,389.80, 20,232,584.70 and 12,071,213.80 is: 18,106,820.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488,389.80 : 20,232,584.70 = 12,071,213.80 : x
  2. Step 2: Convert to fraction form
    13,488,389.80/20,232,584.70 = 12,071,213.80/x
  3. Step 3: Cross multiply
    13,488,389.80x = 20,232,584.70 × 12,071,213.80
  4. Step 4: Simplify right side
    13,488,389.80x = 244,231,855,640,308.88
  5. Step 5: Solve for x
    x = 244,231,855,640,308.88/13,488,389.80
  6. Step 6: Final answer
    x = 18,106,820.70

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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.