Home / 13,660,827.20-20,505,106.56-6,842,286.08

Finding the Fourth Proportional to 13,660,827.20, 20,505,106.56 and 6,842,286.08

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Solution

The fourth proportional to 13,660,827.20, 20,505,106.56 and 6,842,286.08 is: 10,270,374.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660,827.20 : 20,505,106.56 = 6,842,286.08 : x
  2. Step 2: Convert to fraction form
    13,660,827.20/20,505,106.56 = 6,842,286.08/x
  3. Step 3: Cross multiply
    13,660,827.20x = 20,505,106.56 × 6,842,286.08
  4. Step 4: Simplify right side
    13,660,827.20x = 140,301,805,184,404.67
  5. Step 5: Solve for x
    x = 140,301,805,184,404.67/13,660,827.20
  6. Step 6: Final answer
    x = 10,270,374.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.