Home / 11,643,057.60-17,447,997.60-8,586,571.20

Finding the Fourth Proportional to 11,643,057.60, 17,447,997.60 and 8,586,571.20

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Solution

The fourth proportional to 11,643,057.60, 17,447,997.60 and 8,586,571.20 is: 12,867,622.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,643,057.60 : 17,447,997.60 = 8,586,571.20 : x
  2. Step 2: Convert to fraction form
    11,643,057.60/17,447,997.60 = 8,586,571.20/x
  3. Step 3: Cross multiply
    11,643,057.60x = 17,447,997.60 × 8,586,571.20
  4. Step 4: Simplify right side
    11,643,057.60x = 149,818,473,689,829.12
  5. Step 5: Solve for x
    x = 149,818,473,689,829.12/11,643,057.60
  6. Step 6: Final answer
    x = 12,867,622.82

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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.