Home / 8,580,923.96-12,871,374.78-2,191,173.08

Finding the Fourth Proportional to 8,580,923.96, 12,871,374.78 and 2,191,173.08

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Solution

The fourth proportional to 8,580,923.96, 12,871,374.78 and 2,191,173.08 is: 3,286,756.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580,923.96 : 12,871,374.78 = 2,191,173.08 : x
  2. Step 2: Convert to fraction form
    8,580,923.96/12,871,374.78 = 2,191,173.08/x
  3. Step 3: Cross multiply
    8,580,923.96x = 12,871,374.78 × 2,191,173.08
  4. Step 4: Simplify right side
    8,580,923.96x = 28,203,409,920,526.92
  5. Step 5: Solve for x
    x = 28,203,409,920,526.92/8,580,923.96
  6. Step 6: Final answer
    x = 3,286,756.77

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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.