Home / 13,673,206.40-20,509,809.60-8,571,372.80

Finding the Fourth Proportional to 13,673,206.40, 20,509,809.60 and 8,571,372.80

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Solution

The fourth proportional to 13,673,206.40, 20,509,809.60 and 8,571,372.80 is: 12,857,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,673,206.40 : 20,509,809.60 = 8,571,372.80 : x
  2. Step 2: Convert to fraction form
    13,673,206.40/20,509,809.60 = 8,571,372.80/x
  3. Step 3: Cross multiply
    13,673,206.40x = 20,509,809.60 × 8,571,372.80
  4. Step 4: Simplify right side
    13,673,206.40x = 175,797,224,138,618.91
  5. Step 5: Solve for x
    x = 175,797,224,138,618.91/13,673,206.40
  6. Step 6: Final answer
    x = 12,857,059.20

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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.