Home / 25,758,071.70-38,637,107.55-18,199,799.70

Finding the Fourth Proportional to 25,758,071.70, 38,637,107.55 and 18,199,799.70

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Solution

The fourth proportional to 25,758,071.70, 38,637,107.55 and 18,199,799.70 is: 27,299,699.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,758,071.70 : 38,637,107.55 = 18,199,799.70 : x
  2. Step 2: Convert to fraction form
    25,758,071.70/38,637,107.55 = 18,199,799.70/x
  3. Step 3: Cross multiply
    25,758,071.70x = 38,637,107.55 × 18,199,799.70
  4. Step 4: Simplify right side
    25,758,071.70x = 703,187,618,397,357.62
  5. Step 5: Solve for x
    x = 703,187,618,397,357.62/25,758,071.70
  6. Step 6: Final answer
    x = 27,299,699.55

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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.