Home / 20,139,819.24-30,230,859.08-17,848,969.55

Finding the Fourth Proportional to 20,139,819.24, 30,230,859.08 and 17,848,969.55

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Solution

The fourth proportional to 20,139,819.24, 30,230,859.08 and 17,848,969.55 is: 26,792,181.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,139,819.24 : 30,230,859.08 = 17,848,969.55 : x
  2. Step 2: Convert to fraction form
    20,139,819.24/30,230,859.08 = 17,848,969.55/x
  3. Step 3: Cross multiply
    20,139,819.24x = 30,230,859.08 × 17,848,969.55
  4. Step 4: Simplify right side
    20,139,819.24x = 539,589,683,196,094.81
  5. Step 5: Solve for x
    x = 539,589,683,196,094.81/20,139,819.24
  6. Step 6: Final answer
    x = 26,792,181.04

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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.