Home / 11,561,979.96-15,954,368.60-6,404,378.04

Finding the Fourth Proportional to 11,561,979.96, 15,954,368.60 and 6,404,378.04

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Solution

The fourth proportional to 11,561,979.96, 15,954,368.60 and 6,404,378.04 is: 8,837,397.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,561,979.96 : 15,954,368.60 = 6,404,378.04 : x
  2. Step 2: Convert to fraction form
    11,561,979.96/15,954,368.60 = 6,404,378.04/x
  3. Step 3: Cross multiply
    11,561,979.96x = 15,954,368.60 × 6,404,378.04
  4. Step 4: Simplify right side
    11,561,979.96x = 102,177,807,903,905.55
  5. Step 5: Solve for x
    x = 102,177,807,903,905.55/11,561,979.96
  6. Step 6: Final answer
    x = 8,837,397.08

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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.