Home / 13,392,121.40-20,092,847.70-5,824,518.20

Finding the Fourth Proportional to 13,392,121.40, 20,092,847.70 and 5,824,518.20

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Solution

The fourth proportional to 13,392,121.40, 20,092,847.70 and 5,824,518.20 is: 8,738,806.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392,121.40 : 20,092,847.70 = 5,824,518.20 : x
  2. Step 2: Convert to fraction form
    13,392,121.40/20,092,847.70 = 5,824,518.20/x
  3. Step 3: Cross multiply
    13,392,121.40x = 20,092,847.70 × 5,824,518.20
  4. Step 4: Simplify right side
    13,392,121.40x = 117,031,157,118,478.14
  5. Step 5: Solve for x
    x = 117,031,157,118,478.14/13,392,121.40
  6. Step 6: Final answer
    x = 8,738,806.47

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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.