Home / 15,340,388.33-21,170,185.08-8,371,514.93

Finding the Fourth Proportional to 15,340,388.33, 21,170,185.08 and 8,371,514.93

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Solution

The fourth proportional to 15,340,388.33, 21,170,185.08 and 8,371,514.93 is: 11,552,935.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,340,388.33 : 21,170,185.08 = 8,371,514.93 : x
  2. Step 2: Convert to fraction form
    15,340,388.33/21,170,185.08 = 8,371,514.93/x
  3. Step 3: Cross multiply
    15,340,388.33x = 21,170,185.08 × 8,371,514.93
  4. Step 4: Simplify right side
    15,340,388.33x = 177,226,520,362,232.31
  5. Step 5: Solve for x
    x = 177,226,520,362,232.31/15,340,388.33
  6. Step 6: Final answer
    x = 11,552,935.73

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1.5x scale

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.