Home / 20,801,663.40-31,202,495.10-9,464,255.40

Finding the Fourth Proportional to 20,801,663.40, 31,202,495.10 and 9,464,255.40

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Solution

The fourth proportional to 20,801,663.40, 31,202,495.10 and 9,464,255.40 is: 14,196,383.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,801,663.40 : 31,202,495.10 = 9,464,255.40 : x
  2. Step 2: Convert to fraction form
    20,801,663.40/31,202,495.10 = 9,464,255.40/x
  3. Step 3: Cross multiply
    20,801,663.40x = 31,202,495.10 × 9,464,255.40
  4. Step 4: Simplify right side
    20,801,663.40x = 295,308,382,743,648.56
  5. Step 5: Solve for x
    x = 295,308,382,743,648.56/20,801,663.40
  6. Step 6: Final answer
    x = 14,196,383.10

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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.