Home / 20,801,601.40-31,202,402.10-9,464,193.40

Finding the Fourth Proportional to 20,801,601.40, 31,202,402.10 and 9,464,193.40

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Solution

The fourth proportional to 20,801,601.40, 31,202,402.10 and 9,464,193.40 is: 14,196,290.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,801,601.40 : 31,202,402.10 = 9,464,193.40 : x
  2. Step 2: Convert to fraction form
    20,801,601.40/31,202,402.10 = 9,464,193.40/x
  3. Step 3: Cross multiply
    20,801,601.40x = 31,202,402.10 × 9,464,193.40
  4. Step 4: Simplify right side
    20,801,601.40x = 295,305,568,018,966.19
  5. Step 5: Solve for x
    x = 295,305,568,018,966.19/20,801,601.40
  6. Step 6: Final answer
    x = 14,196,290.10

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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.