Home / 19,872,119.80-27,426,429.42-11,171,009.08

Finding the Fourth Proportional to 19,872,119.80, 27,426,429.42 and 11,171,009.08

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Solution

The fourth proportional to 19,872,119.80, 27,426,429.42 and 11,171,009.08 is: 15,417,625.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,872,119.80 : 27,426,429.42 = 11,171,009.08 : x
  2. Step 2: Convert to fraction form
    19,872,119.80/27,426,429.42 = 11,171,009.08/x
  3. Step 3: Cross multiply
    19,872,119.80x = 27,426,429.42 × 11,171,009.08
  4. Step 4: Simplify right side
    19,872,119.80x = 306,380,892,082,799.12
  5. Step 5: Solve for x
    x = 306,380,892,082,799.12/19,872,119.80
  6. Step 6: Final answer
    x = 15,417,625.05

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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.