Home / 13,472,180.90-20,211,223.80-6,652,021.40

Finding the Fourth Proportional to 13,472,180.90, 20,211,223.80 and 6,652,021.40

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Solution

The fourth proportional to 13,472,180.90, 20,211,223.80 and 6,652,021.40 is: 9,979,489.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472,180.90 : 20,211,223.80 = 6,652,021.40 : x
  2. Step 2: Convert to fraction form
    13,472,180.90/20,211,223.80 = 6,652,021.40/x
  3. Step 3: Cross multiply
    13,472,180.90x = 20,211,223.80 × 6,652,021.40
  4. Step 4: Simplify right side
    13,472,180.90x = 134,445,493,237,789.33
  5. Step 5: Solve for x
    x = 134,445,493,237,789.33/13,472,180.90
  6. Step 6: Final answer
    x = 9,979,489.90

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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.