Home / 15,852,579.65-21,876,189.09-9,326,629.05

Finding the Fourth Proportional to 15,852,579.65, 21,876,189.09 and 9,326,629.05

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Solution

The fourth proportional to 15,852,579.65, 21,876,189.09 and 9,326,629.05 is: 12,870,529.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,852,579.65 : 21,876,189.09 = 9,326,629.05 : x
  2. Step 2: Convert to fraction form
    15,852,579.65/21,876,189.09 = 9,326,629.05/x
  3. Step 3: Cross multiply
    15,852,579.65x = 21,876,189.09 × 9,326,629.05
  4. Step 4: Simplify right side
    15,852,579.65x = 204,031,100,670,087.09
  5. Step 5: Solve for x
    x = 204,031,100,670,087.09/15,852,579.65
  6. Step 6: Final answer
    x = 12,870,529.92

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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.