Home / 13,858,585.11-20,787,648.48-4,143,220.52

Finding the Fourth Proportional to 13,858,585.11, 20,787,648.48 and 4,143,220.52

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Solution

The fourth proportional to 13,858,585.11, 20,787,648.48 and 4,143,220.52 is: 6,214,762.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,858,585.11 : 20,787,648.48 = 4,143,220.52 : x
  2. Step 2: Convert to fraction form
    13,858,585.11/20,787,648.48 = 4,143,220.52/x
  3. Step 3: Cross multiply
    13,858,585.11x = 20,787,648.48 × 4,143,220.52
  4. Step 4: Simplify right side
    13,858,585.11x = 86,127,811,640,944.58
  5. Step 5: Solve for x
    x = 86,127,811,640,944.58/13,858,585.11
  6. Step 6: Final answer
    x = 6,214,762.25

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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.