Home / 20,092,938.60-30,146,406.30-8,741,533.80

Finding the Fourth Proportional to 20,092,938.60, 30,146,406.30 and 8,741,533.80

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Solution

The fourth proportional to 20,092,938.60, 30,146,406.30 and 8,741,533.80 is: 13,115,345.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,092,938.60 : 30,146,406.30 = 8,741,533.80 : x
  2. Step 2: Convert to fraction form
    20,092,938.60/30,146,406.30 = 8,741,533.80/x
  3. Step 3: Cross multiply
    20,092,938.60x = 30,146,406.30 × 8,741,533.80
  4. Step 4: Simplify right side
    20,092,938.60x = 263,525,829,619,982.97
  5. Step 5: Solve for x
    x = 263,525,829,619,982.97/20,092,938.60
  6. Step 6: Final answer
    x = 13,115,345.39

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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.