Home / 13,126,876.80-19,690,315.20-11,357,404.80

Finding the Fourth Proportional to 13,126,876.80, 19,690,315.20 and 11,357,404.80

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Solution

The fourth proportional to 13,126,876.80, 19,690,315.20 and 11,357,404.80 is: 17,036,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126,876.80 : 19,690,315.20 = 11,357,404.80 : x
  2. Step 2: Convert to fraction form
    13,126,876.80/19,690,315.20 = 11,357,404.80/x
  3. Step 3: Cross multiply
    13,126,876.80x = 19,690,315.20 × 11,357,404.80
  4. Step 4: Simplify right side
    13,126,876.80x = 223,630,880,365,992.97
  5. Step 5: Solve for x
    x = 223,630,880,365,992.97/13,126,876.80
  6. Step 6: Final answer
    x = 17,036,107.20

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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.