Home / 47,022,060.40-70,533,090.60-12,948,665.20

Finding the Fourth Proportional to 47,022,060.40, 70,533,090.60 and 12,948,665.20

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Solution

The fourth proportional to 47,022,060.40, 70,533,090.60 and 12,948,665.20 is: 19,422,997.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,022,060.40 : 70,533,090.60 = 12,948,665.20 : x
  2. Step 2: Convert to fraction form
    47,022,060.40/70,533,090.60 = 12,948,665.20/x
  3. Step 3: Cross multiply
    47,022,060.40x = 70,533,090.60 × 12,948,665.20
  4. Step 4: Simplify right side
    47,022,060.40x = 913,309,375,700,667
  5. Step 5: Solve for x
    x = 913,309,375,700,667/47,022,060.40
  6. Step 6: Final answer
    x = 19,422,997.80

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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.