Home / 21,017,085.58-31,526,958.80-8,884,287.55

Finding the Fourth Proportional to 21,017,085.58, 31,526,958.80 and 8,884,287.55

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Solution

The fourth proportional to 21,017,085.58, 31,526,958.80 and 8,884,287.55 is: 13,326,993.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,017,085.58 : 31,526,958.80 = 8,884,287.55 : x
  2. Step 2: Convert to fraction form
    21,017,085.58/31,526,958.80 = 8,884,287.55/x
  3. Step 3: Cross multiply
    21,017,085.58x = 31,526,958.80 × 8,884,287.55
  4. Step 4: Simplify right side
    21,017,085.58x = 280,094,567,556,202.97
  5. Step 5: Solve for x
    x = 280,094,567,556,202.97/21,017,085.58
  6. Step 6: Final answer
    x = 13,326,993.72

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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.