Home / 15,238,813.24-21,028,887.66-8,363,308.60

Finding the Fourth Proportional to 15,238,813.24, 21,028,887.66 and 8,363,308.60

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Solution

The fourth proportional to 15,238,813.24, 21,028,887.66 and 8,363,308.60 is: 11,540,995.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,238,813.24 : 21,028,887.66 = 8,363,308.60 : x
  2. Step 2: Convert to fraction form
    15,238,813.24/21,028,887.66 = 8,363,308.60/x
  3. Step 3: Cross multiply
    15,238,813.24x = 21,028,887.66 × 8,363,308.60
  4. Step 4: Simplify right side
    15,238,813.24x = 175,871,077,015,311.88
  5. Step 5: Solve for x
    x = 175,871,077,015,311.88/15,238,813.24
  6. Step 6: Final answer
    x = 11,540,995.63

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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.