Home / 38,922,226.65-53,713,794.05-21,519,695.38

Finding the Fourth Proportional to 38,922,226.65, 53,713,794.05 and 21,519,695.38

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Solution

The fourth proportional to 38,922,226.65, 53,713,794.05 and 21,519,695.38 is: 29,697,799.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,922,226.65 : 53,713,794.05 = 21,519,695.38 : x
  2. Step 2: Convert to fraction form
    38,922,226.65/53,713,794.05 = 21,519,695.38/x
  3. Step 3: Cross multiply
    38,922,226.65x = 53,713,794.05 × 21,519,695.38
  4. Step 4: Simplify right side
    38,922,226.65x = 1,155,904,485,660,056.25
  5. Step 5: Solve for x
    x = 1,155,904,485,660,056.25/38,922,226.65
  6. Step 6: Final answer
    x = 29,697,799.56

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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.