Home / 11,727,128.36-17,571,236.76-8,298,415.40

Finding the Fourth Proportional to 11,727,128.36, 17,571,236.76 and 8,298,415.40

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Solution

The fourth proportional to 11,727,128.36, 17,571,236.76 and 8,298,415.40 is: 12,433,855.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,727,128.36 : 17,571,236.76 = 8,298,415.40 : x
  2. Step 2: Convert to fraction form
    11,727,128.36/17,571,236.76 = 8,298,415.40/x
  3. Step 3: Cross multiply
    11,727,128.36x = 17,571,236.76 × 8,298,415.40
  4. Step 4: Simplify right side
    11,727,128.36x = 145,813,421,726,230.12
  5. Step 5: Solve for x
    x = 145,813,421,726,230.12/11,727,128.36
  6. Step 6: Final answer
    x = 12,433,855.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.