Home / 13,910,504.81-20,865,508.11-5,711,366.63

Finding the Fourth Proportional to 13,910,504.81, 20,865,508.11 and 5,711,366.63

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Solution

The fourth proportional to 13,910,504.81, 20,865,508.11 and 5,711,366.63 is: 8,566,947.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910,504.81 : 20,865,508.11 = 5,711,366.63 : x
  2. Step 2: Convert to fraction form
    13,910,504.81/20,865,508.11 = 5,711,366.63/x
  3. Step 3: Cross multiply
    13,910,504.81x = 20,865,508.11 × 5,711,366.63
  4. Step 4: Simplify right side
    13,910,504.81x = 119,170,566,737,448.36
  5. Step 5: Solve for x
    x = 119,170,566,737,448.36/13,910,504.81
  6. Step 6: Final answer
    x = 8,566,947.67

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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.