Home / 8,173,163.10-12,259,744.65-7,291,364.70

Finding the Fourth Proportional to 8,173,163.10, 12,259,744.65 and 7,291,364.70

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Solution

The fourth proportional to 8,173,163.10, 12,259,744.65 and 7,291,364.70 is: 10,937,047.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173,163.10 : 12,259,744.65 = 7,291,364.70 : x
  2. Step 2: Convert to fraction form
    8,173,163.10/12,259,744.65 = 7,291,364.70/x
  3. Step 3: Cross multiply
    8,173,163.10x = 12,259,744.65 × 7,291,364.70
  4. Step 4: Simplify right side
    8,173,163.10x = 89,390,269,372,023.86
  5. Step 5: Solve for x
    x = 89,390,269,372,023.86/8,173,163.10
  6. Step 6: Final answer
    x = 10,937,047.05

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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.