Home / 13,808,342.59-20,706,510.61-3,958,236.65

Finding the Fourth Proportional to 13,808,342.59, 20,706,510.61 and 3,958,236.65

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Solution

The fourth proportional to 13,808,342.59, 20,706,510.61 and 3,958,236.65 is: 5,935,634.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808,342.59 : 20,706,510.61 = 3,958,236.65 : x
  2. Step 2: Convert to fraction form
    13,808,342.59/20,706,510.61 = 3,958,236.65/x
  3. Step 3: Cross multiply
    13,808,342.59x = 20,706,510.61 × 3,958,236.65
  4. Step 4: Simplify right side
    13,808,342.59x = 81,961,269,190,115.86
  5. Step 5: Solve for x
    x = 81,961,269,190,115.86/13,808,342.59
  6. Step 6: Final answer
    x = 5,935,634.10

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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.