Home / 20,608,238.49-30,915,922.47-6,961,484.23

Finding the Fourth Proportional to 20,608,238.49, 30,915,922.47 and 6,961,484.23

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Solution

The fourth proportional to 20,608,238.49, 30,915,922.47 and 6,961,484.23 is: 10,443,430.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,608,238.49 : 30,915,922.47 = 6,961,484.23 : x
  2. Step 2: Convert to fraction form
    20,608,238.49/30,915,922.47 = 6,961,484.23/x
  3. Step 3: Cross multiply
    20,608,238.49x = 30,915,922.47 × 6,961,484.23
  4. Step 4: Simplify right side
    20,608,238.49x = 215,220,706,696,000.25
  5. Step 5: Solve for x
    x = 215,220,706,696,000.25/20,608,238.49
  6. Step 6: Final answer
    x = 10,443,430.51

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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.