Home / 13,787,564.20-20,681,346.30-11,661,800.20

Finding the Fourth Proportional to 13,787,564.20, 20,681,346.30 and 11,661,800.20

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Solution

The fourth proportional to 13,787,564.20, 20,681,346.30 and 11,661,800.20 is: 17,492,700.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,787,564.20 : 20,681,346.30 = 11,661,800.20 : x
  2. Step 2: Convert to fraction form
    13,787,564.20/20,681,346.30 = 11,661,800.20/x
  3. Step 3: Cross multiply
    13,787,564.20x = 20,681,346.30 × 11,661,800.20
  4. Step 4: Simplify right side
    13,787,564.20x = 241,181,728,417,609.25
  5. Step 5: Solve for x
    x = 241,181,728,417,609.25/13,787,564.20
  6. Step 6: Final answer
    x = 17,492,700.30

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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.