Home / 8,580,922.96-12,871,373.28-2,191,172.08

Finding the Fourth Proportional to 8,580,922.96, 12,871,373.28 and 2,191,172.08

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Solution

The fourth proportional to 8,580,922.96, 12,871,373.28 and 2,191,172.08 is: 3,286,755.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580,922.96 : 12,871,373.28 = 2,191,172.08 : x
  2. Step 2: Convert to fraction form
    8,580,922.96/12,871,373.28 = 2,191,172.08/x
  3. Step 3: Cross multiply
    8,580,922.96x = 12,871,373.28 × 2,191,172.08
  4. Step 4: Simplify right side
    8,580,922.96x = 28,203,393,762,394.02
  5. Step 5: Solve for x
    x = 28,203,393,762,394.02/8,580,922.96
  6. Step 6: Final answer
    x = 3,286,755.27

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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.