Home / 18,136,211.20-27,204,316.80-14,026,400.80

Finding the Fourth Proportional to 18,136,211.20, 27,204,316.80 and 14,026,400.80

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Solution

The fourth proportional to 18,136,211.20, 27,204,316.80 and 14,026,400.80 is: 21,039,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,136,211.20 : 27,204,316.80 = 14,026,400.80 : x
  2. Step 2: Convert to fraction form
    18,136,211.20/27,204,316.80 = 14,026,400.80/x
  3. Step 3: Cross multiply
    18,136,211.20x = 27,204,316.80 × 14,026,400.80
  4. Step 4: Simplify right side
    18,136,211.20x = 381,578,650,926,973.50
  5. Step 5: Solve for x
    x = 381,578,650,926,973.50/18,136,211.20
  6. Step 6: Final answer
    x = 21,039,601.20

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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.