Home / 20,801,964.90-31,202,947.35-9,464,556.90

Finding the Fourth Proportional to 20,801,964.90, 31,202,947.35 and 9,464,556.90

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Solution

The fourth proportional to 20,801,964.90, 31,202,947.35 and 9,464,556.90 is: 14,196,835.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,801,964.90 : 31,202,947.35 = 9,464,556.90 : x
  2. Step 2: Convert to fraction form
    20,801,964.90/31,202,947.35 = 9,464,556.90/x
  3. Step 3: Cross multiply
    20,801,964.90x = 31,202,947.35 × 9,464,556.90
  4. Step 4: Simplify right side
    20,801,964.90x = 295,322,070,641,779.25
  5. Step 5: Solve for x
    x = 295,322,070,641,779.25/20,801,964.90
  6. Step 6: Final answer
    x = 14,196,835.35

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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.