Home / 13,838,610.20-20,757,915.30-6,648,410.30

Finding the Fourth Proportional to 13,838,610.20, 20,757,915.30 and 6,648,410.30

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Solution

The fourth proportional to 13,838,610.20, 20,757,915.30 and 6,648,410.30 is: 9,972,615.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,838,610.20 : 20,757,915.30 = 6,648,410.30 : x
  2. Step 2: Convert to fraction form
    13,838,610.20/20,757,915.30 = 6,648,410.30/x
  3. Step 3: Cross multiply
    13,838,610.20x = 20,757,915.30 × 6,648,410.30
  4. Step 4: Simplify right side
    13,838,610.20x = 138,007,137,887,047.59
  5. Step 5: Solve for x
    x = 138,007,137,887,047.59/13,838,610.20
  6. Step 6: Final answer
    x = 9,972,615.45

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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.