Home / 8,085,907.18-12,129,107.00-3,161,742.26

Finding the Fourth Proportional to 8,085,907.18, 12,129,107.00 and 3,161,742.26

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Solution

The fourth proportional to 8,085,907.18, 12,129,107.00 and 3,161,742.26 is: 4,742,709.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,907.18 : 12,129,107.00 = 3,161,742.26 : x
  2. Step 2: Convert to fraction form
    8,085,907.18/12,129,107.00 = 3,161,742.26/x
  3. Step 3: Cross multiply
    8,085,907.18x = 12,129,107.00 × 3,161,742.26
  4. Step 4: Simplify right side
    8,085,907.18x = 38,349,110,201,369.86
  5. Step 5: Solve for x
    x = 38,349,110,201,369.86/8,085,907.18
  6. Step 6: Final answer
    x = 4,742,709.67

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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.