Home / 13,787,952.84-20,683,299.78-5,275,449

Finding the Fourth Proportional to 13,787,952.84, 20,683,299.78 and 5,275,449

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Solution

The fourth proportional to 13,787,952.84, 20,683,299.78 and 5,275,449 is: 7,913,697.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,787,952.84 : 20,683,299.78 = 5,275,449 : x
  2. Step 2: Convert to fraction form
    13,787,952.84/20,683,299.78 = 5,275,449/x
  3. Step 3: Cross multiply
    13,787,952.84x = 20,683,299.78 × 5,275,449
  4. Step 4: Simplify right side
    13,787,952.84x = 109,113,693,141,101.22
  5. Step 5: Solve for x
    x = 109,113,693,141,101.22/13,787,952.84
  6. Step 6: Final answer
    x = 7,913,697.88

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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.