Home / 18,382,500.30-27,573,750.45-4,919,328.30

Finding the Fourth Proportional to 18,382,500.30, 27,573,750.45 and 4,919,328.30

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Solution

The fourth proportional to 18,382,500.30, 27,573,750.45 and 4,919,328.30 is: 7,378,992.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382,500.30 : 27,573,750.45 = 4,919,328.30 : x
  2. Step 2: Convert to fraction form
    18,382,500.30/27,573,750.45 = 4,919,328.30/x
  3. Step 3: Cross multiply
    18,382,500.30x = 27,573,750.45 × 4,919,328.30
  4. Step 4: Simplify right side
    18,382,500.30x = 135,644,330,925,822.72
  5. Step 5: Solve for x
    x = 135,644,330,925,822.72/18,382,500.30
  6. Step 6: Final answer
    x = 7,378,992.45

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Double scale
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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.