Home / 20,078,437.88-27,710,606.25-11,929,675.88

Finding the Fourth Proportional to 20,078,437.88, 27,710,606.25 and 11,929,675.88

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Solution

The fourth proportional to 20,078,437.88, 27,710,606.25 and 11,929,675.88 is: 16,464,356.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,078,437.88 : 27,710,606.25 = 11,929,675.88 : x
  2. Step 2: Convert to fraction form
    20,078,437.88/27,710,606.25 = 11,929,675.88/x
  3. Step 3: Cross multiply
    20,078,437.88x = 27,710,606.25 × 11,929,675.88
  4. Step 4: Simplify right side
    20,078,437.88x = 330,578,550,862,249.25
  5. Step 5: Solve for x
    x = 330,578,550,862,249.25/20,078,437.88
  6. Step 6: Final answer
    x = 16,464,356.09

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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.