Home / 11,519,648.22-15,896,809.71-6,362,898.78

Finding the Fourth Proportional to 11,519,648.22, 15,896,809.71 and 6,362,898.78

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Solution

The fourth proportional to 11,519,648.22, 15,896,809.71 and 6,362,898.78 is: 8,780,631.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519,648.22 : 15,896,809.71 = 6,362,898.78 : x
  2. Step 2: Convert to fraction form
    11,519,648.22/15,896,809.71 = 6,362,898.78/x
  3. Step 3: Cross multiply
    11,519,648.22x = 15,896,809.71 × 6,362,898.78
  4. Step 4: Simplify right side
    11,519,648.22x = 101,149,791,109,651.16
  5. Step 5: Solve for x
    x = 101,149,791,109,651.16/11,519,648.22
  6. Step 6: Final answer
    x = 8,780,631.94

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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.