Home / 14,152,074.20-21,228,111.30-13,915,878.20

Finding the Fourth Proportional to 14,152,074.20, 21,228,111.30 and 13,915,878.20

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Solution

The fourth proportional to 14,152,074.20, 21,228,111.30 and 13,915,878.20 is: 20,873,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,152,074.20 : 21,228,111.30 = 13,915,878.20 : x
  2. Step 2: Convert to fraction form
    14,152,074.20/21,228,111.30 = 13,915,878.20/x
  3. Step 3: Cross multiply
    14,152,074.20x = 21,228,111.30 × 13,915,878.20
  4. Step 4: Simplify right side
    14,152,074.20x = 295,407,811,266,843.62
  5. Step 5: Solve for x
    x = 295,407,811,266,843.62/14,152,074.20
  6. Step 6: Final answer
    x = 20,873,817.30

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Double scale
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Similar ratio
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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.