Home / 13,753,784.60-18,980,313.82-8,600,162.84

Finding the Fourth Proportional to 13,753,784.60, 18,980,313.82 and 8,600,162.84

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Solution

The fourth proportional to 13,753,784.60, 18,980,313.82 and 8,600,162.84 is: 11,868,281.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753,784.60 : 18,980,313.82 = 8,600,162.84 : x
  2. Step 2: Convert to fraction form
    13,753,784.60/18,980,313.82 = 8,600,162.84/x
  3. Step 3: Cross multiply
    13,753,784.60x = 18,980,313.82 × 8,600,162.84
  4. Step 4: Simplify right side
    13,753,784.60x = 163,233,789,606,302.44
  5. Step 5: Solve for x
    x = 163,233,789,606,302.44/13,753,784.60
  6. Step 6: Final answer
    x = 11,868,281.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.