Home / 16,716,921.60-25,128,835.20-15,533,587.20

Finding the Fourth Proportional to 16,716,921.60, 25,128,835.20 and 15,533,587.20

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Solution

The fourth proportional to 16,716,921.60, 25,128,835.20 and 15,533,587.20 is: 23,350,049.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,716,921.60 : 25,128,835.20 = 15,533,587.20 : x
  2. Step 2: Convert to fraction form
    16,716,921.60/25,128,835.20 = 15,533,587.20/x
  3. Step 3: Cross multiply
    16,716,921.60x = 25,128,835.20 × 15,533,587.20
  4. Step 4: Simplify right side
    16,716,921.60x = 390,340,952,813,629.44
  5. Step 5: Solve for x
    x = 390,340,952,813,629.44/16,716,921.60
  6. Step 6: Final answer
    x = 23,350,049.86

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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.