Home / 19,176,015.68-28,760,144.16-7,041,314.24

Finding the Fourth Proportional to 19,176,015.68, 28,760,144.16 and 7,041,314.24

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Solution

The fourth proportional to 19,176,015.68, 28,760,144.16 and 7,041,314.24 is: 10,560,546.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,176,015.68 : 28,760,144.16 = 7,041,314.24 : x
  2. Step 2: Convert to fraction form
    19,176,015.68/28,760,144.16 = 7,041,314.24/x
  3. Step 3: Cross multiply
    19,176,015.68x = 28,760,144.16 × 7,041,314.24
  4. Step 4: Simplify right side
    19,176,015.68x = 202,509,212,618,260.84
  5. Step 5: Solve for x
    x = 202,509,212,618,260.84/19,176,015.68
  6. Step 6: Final answer
    x = 10,560,546.88

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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.