Home / 13,633,043.40-20,441,789.10-5,113,657.80

Finding the Fourth Proportional to 13,633,043.40, 20,441,789.10 and 5,113,657.80

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Solution

The fourth proportional to 13,633,043.40, 20,441,789.10 and 5,113,657.80 is: 7,667,569.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,633,043.40 : 20,441,789.10 = 5,113,657.80 : x
  2. Step 2: Convert to fraction form
    13,633,043.40/20,441,789.10 = 5,113,657.80/x
  3. Step 3: Cross multiply
    13,633,043.40x = 20,441,789.10 × 5,113,657.80
  4. Step 4: Simplify right side
    13,633,043.40x = 104,532,314,277,169.98
  5. Step 5: Solve for x
    x = 104,532,314,277,169.98/13,633,043.40
  6. Step 6: Final answer
    x = 7,667,569.98

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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.