Home / 38,448,014.40-57,672,021.60-20,227,291.20

Finding the Fourth Proportional to 38,448,014.40, 57,672,021.60 and 20,227,291.20

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Solution

The fourth proportional to 38,448,014.40, 57,672,021.60 and 20,227,291.20 is: 30,340,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,448,014.40 : 57,672,021.60 = 20,227,291.20 : x
  2. Step 2: Convert to fraction form
    38,448,014.40/57,672,021.60 = 20,227,291.20/x
  3. Step 3: Cross multiply
    38,448,014.40x = 57,672,021.60 × 20,227,291.20
  4. Step 4: Simplify right side
    38,448,014.40x = 1,166,548,774,995,890
  5. Step 5: Solve for x
    x = 1,166,548,774,995,890/38,448,014.40
  6. Step 6: Final answer
    x = 30,340,936.80

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1.5x scale

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.