Home / 13,787,984.68-20,683,392.90-5,275,480.84

Finding the Fourth Proportional to 13,787,984.68, 20,683,392.90 and 5,275,480.84

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Solution

The fourth proportional to 13,787,984.68, 20,683,392.90 and 5,275,480.84 is: 7,913,763.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,787,984.68 : 20,683,392.90 = 5,275,480.84 : x
  2. Step 2: Convert to fraction form
    13,787,984.68/20,683,392.90 = 5,275,480.84/x
  3. Step 3: Cross multiply
    13,787,984.68x = 20,683,392.90 × 5,275,480.84
  4. Step 4: Simplify right side
    13,787,984.68x = 109,114,842,950,142.03
  5. Step 5: Solve for x
    x = 109,114,842,950,142.03/13,787,984.68
  6. Step 6: Final answer
    x = 7,913,763.00

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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.