Home / 15,769,313.28-21,761,622-8,893,774.08

Finding the Fourth Proportional to 15,769,313.28, 21,761,622 and 8,893,774.08

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Solution

The fourth proportional to 15,769,313.28, 21,761,622 and 8,893,774.08 is: 12,273,391.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,769,313.28 : 21,761,622 = 8,893,774.08 : x
  2. Step 2: Convert to fraction form
    15,769,313.28/21,761,622 = 8,893,774.08/x
  3. Step 3: Cross multiply
    15,769,313.28x = 21,761,622 × 8,893,774.08
  4. Step 4: Simplify right side
    15,769,313.28x = 193,542,949,682,357.75
  5. Step 5: Solve for x
    x = 193,542,949,682,357.75/15,769,313.28
  6. Step 6: Final answer
    x = 12,273,391.13

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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.