Home / 13,617,580.11-20,422,384.35-11,215,466.79

Finding the Fourth Proportional to 13,617,580.11, 20,422,384.35 and 11,215,466.79

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Solution

The fourth proportional to 13,617,580.11, 20,422,384.35 and 11,215,466.79 is: 16,819,917.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617,580.11 : 20,422,384.35 = 11,215,466.79 : x
  2. Step 2: Convert to fraction form
    13,617,580.11/20,422,384.35 = 11,215,466.79/x
  3. Step 3: Cross multiply
    13,617,580.11x = 20,422,384.35 × 11,215,466.79
  4. Step 4: Simplify right side
    13,617,580.11x = 229,046,573,347,928.84
  5. Step 5: Solve for x
    x = 229,046,573,347,928.84/13,617,580.11
  6. Step 6: Final answer
    x = 16,819,917.46

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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.