Home / 21,017,084.58-31,526,957.30-8,884,286.55

Finding the Fourth Proportional to 21,017,084.58, 31,526,957.30 and 8,884,286.55

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Solution

The fourth proportional to 21,017,084.58, 31,526,957.30 and 8,884,286.55 is: 13,326,992.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,017,084.58 : 31,526,957.30 = 8,884,286.55 : x
  2. Step 2: Convert to fraction form
    21,017,084.58/31,526,957.30 = 8,884,286.55/x
  3. Step 3: Cross multiply
    21,017,084.58x = 31,526,957.30 × 8,884,286.55
  4. Step 4: Simplify right side
    21,017,084.58x = 280,094,522,658,392.91
  5. Step 5: Solve for x
    x = 280,094,522,658,392.91/21,017,084.58
  6. Step 6: Final answer
    x = 13,326,992.22

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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.