Home / 13,842,432.20-20,763,648.30-6,652,232.30

Finding the Fourth Proportional to 13,842,432.20, 20,763,648.30 and 6,652,232.30

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Solution

The fourth proportional to 13,842,432.20, 20,763,648.30 and 6,652,232.30 is: 9,978,348.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842,432.20 : 20,763,648.30 = 6,652,232.30 : x
  2. Step 2: Convert to fraction form
    13,842,432.20/20,763,648.30 = 6,652,232.30/x
  3. Step 3: Cross multiply
    13,842,432.20x = 20,763,648.30 × 6,652,232.30
  4. Step 4: Simplify right side
    13,842,432.20x = 138,124,611,887,100.09
  5. Step 5: Solve for x
    x = 138,124,611,887,100.09/13,842,432.20
  6. Step 6: Final answer
    x = 9,978,348.45

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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.