Home / 8,622,662.13-12,934,740.15-3,159,240.87

Finding the Fourth Proportional to 8,622,662.13, 12,934,740.15 and 3,159,240.87

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Solution

The fourth proportional to 8,622,662.13, 12,934,740.15 and 3,159,240.87 is: 4,739,134.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622,662.13 : 12,934,740.15 = 3,159,240.87 : x
  2. Step 2: Convert to fraction form
    8,622,662.13/12,934,740.15 = 3,159,240.87/x
  3. Step 3: Cross multiply
    8,622,662.13x = 12,934,740.15 × 3,159,240.87
  4. Step 4: Simplify right side
    8,622,662.13x = 40,863,959,724,709.93
  5. Step 5: Solve for x
    x = 40,863,959,724,709.93/8,622,662.13
  6. Step 6: Final answer
    x = 4,739,134.98

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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.