Home / 8,086,208.40-12,129,312.60-3,291,429.60

Finding the Fourth Proportional to 8,086,208.40, 12,129,312.60 and 3,291,429.60

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Solution

The fourth proportional to 8,086,208.40, 12,129,312.60 and 3,291,429.60 is: 4,937,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,086,208.40 : 12,129,312.60 = 3,291,429.60 : x
  2. Step 2: Convert to fraction form
    8,086,208.40/12,129,312.60 = 3,291,429.60/x
  3. Step 3: Cross multiply
    8,086,208.40x = 12,129,312.60 × 3,291,429.60
  4. Step 4: Simplify right side
    8,086,208.40x = 39,922,778,519,292.96
  5. Step 5: Solve for x
    x = 39,922,778,519,292.96/8,086,208.40
  6. Step 6: Final answer
    x = 4,937,144.40

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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.