Home / 11,284,871.40-15,573,125.58-6,128,231.58

Finding the Fourth Proportional to 11,284,871.40, 15,573,125.58 and 6,128,231.58

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Solution

The fourth proportional to 11,284,871.40, 15,573,125.58 and 6,128,231.58 is: 8,456,961.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,284,871.40 : 15,573,125.58 = 6,128,231.58 : x
  2. Step 2: Convert to fraction form
    11,284,871.40/15,573,125.58 = 6,128,231.58/x
  3. Step 3: Cross multiply
    11,284,871.40x = 15,573,125.58 × 6,128,231.58
  4. Step 4: Simplify right side
    11,284,871.40x = 95,435,719,978,661.81
  5. Step 5: Solve for x
    x = 95,435,719,978,661.81/11,284,871.40
  6. Step 6: Final answer
    x = 8,456,961.24

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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.