Home / 21,054,348.70-29,094,952.41-15,193,218.76

Finding the Fourth Proportional to 21,054,348.70, 29,094,952.41 and 15,193,218.76

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Solution

The fourth proportional to 21,054,348.70, 29,094,952.41 and 15,193,218.76 is: 20,995,471.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,054,348.70 : 29,094,952.41 = 15,193,218.76 : x
  2. Step 2: Convert to fraction form
    21,054,348.70/29,094,952.41 = 15,193,218.76/x
  3. Step 3: Cross multiply
    21,054,348.70x = 29,094,952.41 × 15,193,218.76
  4. Step 4: Simplify right side
    21,054,348.70x = 442,045,976,704,181.81
  5. Step 5: Solve for x
    x = 442,045,976,704,181.81/21,054,348.70
  6. Step 6: Final answer
    x = 20,995,471.44

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.