Home / 13,821,713.20-20,732,569.80-13,609,136.80

Finding the Fourth Proportional to 13,821,713.20, 20,732,569.80 and 13,609,136.80

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Solution

The fourth proportional to 13,821,713.20, 20,732,569.80 and 13,609,136.80 is: 20,413,705.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821,713.20 : 20,732,569.80 = 13,609,136.80 : x
  2. Step 2: Convert to fraction form
    13,821,713.20/20,732,569.80 = 13,609,136.80/x
  3. Step 3: Cross multiply
    13,821,713.20x = 20,732,569.80 × 13,609,136.80
  4. Step 4: Simplify right side
    13,821,713.20x = 282,152,378,623,748.69
  5. Step 5: Solve for x
    x = 282,152,378,623,748.69/13,821,713.20
  6. Step 6: Final answer
    x = 20,413,705.20

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1.5x scale

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.