Home / 21,002,818.50-31,509,541.35-5,856,751.62

Finding the Fourth Proportional to 21,002,818.50, 31,509,541.35 and 5,856,751.62

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Solution

The fourth proportional to 21,002,818.50, 31,509,541.35 and 5,856,751.62 is: 8,786,609.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,002,818.50 : 31,509,541.35 = 5,856,751.62 : x
  2. Step 2: Convert to fraction form
    21,002,818.50/31,509,541.35 = 5,856,751.62/x
  3. Step 3: Cross multiply
    21,002,818.50x = 31,509,541.35 × 5,856,751.62
  4. Step 4: Simplify right side
    21,002,818.50x = 184,543,557,347,069.50
  5. Step 5: Solve for x
    x = 184,543,557,347,069.50/21,002,818.50
  6. Step 6: Final answer
    x = 8,786,609.16

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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.