Home / 9,211,389.72-13,807,432.26-5,161,940.52

Finding the Fourth Proportional to 9,211,389.72, 13,807,432.26 and 5,161,940.52

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Solution

The fourth proportional to 9,211,389.72, 13,807,432.26 and 5,161,940.52 is: 7,737,501.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211,389.72 : 13,807,432.26 = 5,161,940.52 : x
  2. Step 2: Convert to fraction form
    9,211,389.72/13,807,432.26 = 5,161,940.52/x
  3. Step 3: Cross multiply
    9,211,389.72x = 13,807,432.26 × 5,161,940.52
  4. Step 4: Simplify right side
    9,211,389.72x = 71,273,144,060,049.17
  5. Step 5: Solve for x
    x = 71,273,144,060,049.17/9,211,389.72
  6. Step 6: Final answer
    x = 7,737,501.75

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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.