Home / 13,753,715.58-18,980,063.97-7,873,317.42

Finding the Fourth Proportional to 13,753,715.58, 18,980,063.97 and 7,873,317.42

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Solution

The fourth proportional to 13,753,715.58, 18,980,063.97 and 7,873,317.42 is: 10,865,141.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753,715.58 : 18,980,063.97 = 7,873,317.42 : x
  2. Step 2: Convert to fraction form
    13,753,715.58/18,980,063.97 = 7,873,317.42/x
  3. Step 3: Cross multiply
    13,753,715.58x = 18,980,063.97 × 7,873,317.42
  4. Step 4: Simplify right side
    13,753,715.58x = 149,436,068,287,715.34
  5. Step 5: Solve for x
    x = 149,436,068,287,715.34/13,753,715.58
  6. Step 6: Final answer
    x = 10,865,141.67

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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.