Home / 13,821,725.20-20,732,587.80-13,609,148.80

Finding the Fourth Proportional to 13,821,725.20, 20,732,587.80 and 13,609,148.80

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Solution

The fourth proportional to 13,821,725.20, 20,732,587.80 and 13,609,148.80 is: 20,413,723.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821,725.20 : 20,732,587.80 = 13,609,148.80 : x
  2. Step 2: Convert to fraction form
    13,821,725.20/20,732,587.80 = 13,609,148.80/x
  3. Step 3: Cross multiply
    13,821,725.20x = 20,732,587.80 × 13,609,148.80
  4. Step 4: Simplify right side
    13,821,725.20x = 282,152,872,379,264.69
  5. Step 5: Solve for x
    x = 282,152,872,379,264.69/13,821,725.20
  6. Step 6: Final answer
    x = 20,413,723.20

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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.