Home / 20,116,078.86-27,770,030.09-13,498,299.56

Finding the Fourth Proportional to 20,116,078.86, 27,770,030.09 and 13,498,299.56

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Solution

The fourth proportional to 20,116,078.86, 27,770,030.09 and 13,498,299.56 is: 18,634,257.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,116,078.86 : 27,770,030.09 = 13,498,299.56 : x
  2. Step 2: Convert to fraction form
    20,116,078.86/27,770,030.09 = 13,498,299.56/x
  3. Step 3: Cross multiply
    20,116,078.86x = 27,770,030.09 × 13,498,299.56
  4. Step 4: Simplify right side
    20,116,078.86x = 374,848,184,997,586
  5. Step 5: Solve for x
    x = 374,848,184,997,586/20,116,078.86
  6. Step 6: Final answer
    x = 18,634,257.08

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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.