Home / 11,517,190-15,893,722.24-6,688,605.04

Finding the Fourth Proportional to 11,517,190, 15,893,722.24 and 6,688,605.04

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Solution

The fourth proportional to 11,517,190, 15,893,722.24 and 6,688,605.04 is: 9,230,274.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,517,190 : 15,893,722.24 = 6,688,605.04 : x
  2. Step 2: Convert to fraction form
    11,517,190/15,893,722.24 = 6,688,605.04/x
  3. Step 3: Cross multiply
    11,517,190x = 15,893,722.24 × 6,688,605.04
  4. Step 4: Simplify right side
    11,517,190x = 106,306,830,678,824.09
  5. Step 5: Solve for x
    x = 106,306,830,678,824.09/11,517,190
  6. Step 6: Final answer
    x = 9,230,274.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.