Home / 10,520,910.40-14,528,883.37-9,947,732.55

Finding the Fourth Proportional to 10,520,910.40, 14,528,883.37 and 9,947,732.55

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Solution

The fourth proportional to 10,520,910.40, 14,528,883.37 and 9,947,732.55 is: 13,737,351.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,520,910.40 : 14,528,883.37 = 9,947,732.55 : x
  2. Step 2: Convert to fraction form
    10,520,910.40/14,528,883.37 = 9,947,732.55/x
  3. Step 3: Cross multiply
    10,520,910.40x = 14,528,883.37 × 9,947,732.55
  4. Step 4: Simplify right side
    10,520,910.40x = 144,529,446,014,902.69
  5. Step 5: Solve for x
    x = 144,529,446,014,902.69/10,520,910.40
  6. Step 6: Final answer
    x = 13,737,351.67

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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.