Home / 20,248,436.10-30,372,654.15-5,102,367.60

Finding the Fourth Proportional to 20,248,436.10, 30,372,654.15 and 5,102,367.60

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Solution

The fourth proportional to 20,248,436.10, 30,372,654.15 and 5,102,367.60 is: 7,653,551.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,248,436.10 : 30,372,654.15 = 5,102,367.60 : x
  2. Step 2: Convert to fraction form
    20,248,436.10/30,372,654.15 = 5,102,367.60/x
  3. Step 3: Cross multiply
    20,248,436.10x = 30,372,654.15 × 5,102,367.60
  4. Step 4: Simplify right side
    20,248,436.10x = 154,972,446,460,965.53
  5. Step 5: Solve for x
    x = 154,972,446,460,965.53/20,248,436.10
  6. Step 6: Final answer
    x = 7,653,551.40

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Double scale
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Similar ratio
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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.