Home / 13,906,045.80-20,867,926.05-8,148,768.30

Finding the Fourth Proportional to 13,906,045.80, 20,867,926.05 and 8,148,768.30

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Solution

The fourth proportional to 13,906,045.80, 20,867,926.05 and 8,148,768.30 is: 12,228,342.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906,045.80 : 20,867,926.05 = 8,148,768.30 : x
  2. Step 2: Convert to fraction form
    13,906,045.80/20,867,926.05 = 8,148,768.30/x
  3. Step 3: Cross multiply
    13,906,045.80x = 20,867,926.05 × 8,148,768.30
  4. Step 4: Simplify right side
    13,906,045.80x = 170,047,894,282,984.22
  5. Step 5: Solve for x
    x = 170,047,894,282,984.22/13,906,045.80
  6. Step 6: Final answer
    x = 12,228,342.75

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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.