Home / 16,787,281.20-25,180,921.80-11,685,447.60

Finding the Fourth Proportional to 16,787,281.20, 25,180,921.80 and 11,685,447.60

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Solution

The fourth proportional to 16,787,281.20, 25,180,921.80 and 11,685,447.60 is: 17,528,171.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,787,281.20 : 25,180,921.80 = 11,685,447.60 : x
  2. Step 2: Convert to fraction form
    16,787,281.20/25,180,921.80 = 11,685,447.60/x
  3. Step 3: Cross multiply
    16,787,281.20x = 25,180,921.80 × 11,685,447.60
  4. Step 4: Simplify right side
    16,787,281.20x = 294,250,342,213,597.69
  5. Step 5: Solve for x
    x = 294,250,342,213,597.69/16,787,281.20
  6. Step 6: Final answer
    x = 17,528,171.40

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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.