Home / 8,605,475.09-11,871,997.30-5,120,116.98

Finding the Fourth Proportional to 8,605,475.09, 11,871,997.30 and 5,120,116.98

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Solution

The fourth proportional to 8,605,475.09, 11,871,997.30 and 5,120,116.98 is: 7,063,644.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,605,475.09 : 11,871,997.30 = 5,120,116.98 : x
  2. Step 2: Convert to fraction form
    8,605,475.09/11,871,997.30 = 5,120,116.98/x
  3. Step 3: Cross multiply
    8,605,475.09x = 11,871,997.30 × 5,120,116.98
  4. Step 4: Simplify right side
    8,605,475.09x = 60,786,014,962,244.16
  5. Step 5: Solve for x
    x = 60,786,014,962,244.16/8,605,475.09
  6. Step 6: Final answer
    x = 7,063,644.29

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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.