Home / 20,912,941.58-31,369,436.86-6,536,084.72

Finding the Fourth Proportional to 20,912,941.58, 31,369,436.86 and 6,536,084.72

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Solution

The fourth proportional to 20,912,941.58, 31,369,436.86 and 6,536,084.72 is: 9,804,134.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,912,941.58 : 31,369,436.86 = 6,536,084.72 : x
  2. Step 2: Convert to fraction form
    20,912,941.58/31,369,436.86 = 6,536,084.72/x
  3. Step 3: Cross multiply
    20,912,941.58x = 31,369,436.86 × 6,536,084.72
  4. Step 4: Simplify right side
    20,912,941.58x = 205,033,296,935,650.78
  5. Step 5: Solve for x
    x = 205,033,296,935,650.78/20,912,941.58
  6. Step 6: Final answer
    x = 9,804,134.73

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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.