Home / 12,974,164.92-17,901,378-7,746,157.44

Finding the Fourth Proportional to 12,974,164.92, 17,901,378 and 7,746,157.44

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Solution

The fourth proportional to 12,974,164.92, 17,901,378 and 7,746,157.44 is: 10,687,924.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974,164.92 : 17,901,378 = 7,746,157.44 : x
  2. Step 2: Convert to fraction form
    12,974,164.92/17,901,378 = 7,746,157.44/x
  3. Step 3: Cross multiply
    12,974,164.92x = 17,901,378 × 7,746,157.44
  4. Step 4: Simplify right side
    12,974,164.92x = 138,666,892,380,952.33
  5. Step 5: Solve for x
    x = 138,666,892,380,952.33/12,974,164.92
  6. Step 6: Final answer
    x = 10,687,924.29

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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.