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Finding the Fourth Proportional to 20,160,974.20, 30,241,461.31 and 20,160,974.20

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Solution

The fourth proportional to 20,160,974.20, 30,241,461.31 and 20,160,974.20 is: 30,241,461.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,974.20 : 30,241,461.31 = 20,160,974.20 : x
  2. Step 2: Convert to fraction form
    20,160,974.20/30,241,461.31 = 20,160,974.20/x
  3. Step 3: Cross multiply
    20,160,974.20x = 30,241,461.31 × 20,160,974.20
  4. Step 4: Simplify right side
    20,160,974.20x = 609,697,321,241,208.12
  5. Step 5: Solve for x
    x = 609,697,321,241,208.12/20,160,974.20
  6. Step 6: Final answer
    x = 30,241,461.31

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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.