Home / 36,187,878.30-54,281,817.45-19,181,766.30

Finding the Fourth Proportional to 36,187,878.30, 54,281,817.45 and 19,181,766.30

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Solution

The fourth proportional to 36,187,878.30, 54,281,817.45 and 19,181,766.30 is: 28,772,649.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,187,878.30 : 54,281,817.45 = 19,181,766.30 : x
  2. Step 2: Convert to fraction form
    36,187,878.30/54,281,817.45 = 19,181,766.30/x
  3. Step 3: Cross multiply
    36,187,878.30x = 54,281,817.45 × 19,181,766.30
  4. Step 4: Simplify right side
    36,187,878.30x = 1,041,221,136,665,162
  5. Step 5: Solve for x
    x = 1,041,221,136,665,162/36,187,878.30
  6. Step 6: Final answer
    x = 28,772,649.45

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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.