Home / 20,801,906.90-31,202,860.35-9,464,498.90

Finding the Fourth Proportional to 20,801,906.90, 31,202,860.35 and 9,464,498.90

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Solution

The fourth proportional to 20,801,906.90, 31,202,860.35 and 9,464,498.90 is: 14,196,748.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,801,906.90 : 31,202,860.35 = 9,464,498.90 : x
  2. Step 2: Convert to fraction form
    20,801,906.90/31,202,860.35 = 9,464,498.90/x
  3. Step 3: Cross multiply
    20,801,906.90x = 31,202,860.35 × 9,464,498.90
  4. Step 4: Simplify right side
    20,801,906.90x = 295,319,437,459,428.62
  5. Step 5: Solve for x
    x = 295,319,437,459,428.62/20,801,906.90
  6. Step 6: Final answer
    x = 14,196,748.35

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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.