Home / 20,160,060.78-30,240,200.52-5,013,992.28

Finding the Fourth Proportional to 20,160,060.78, 30,240,200.52 and 5,013,992.28

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Solution

The fourth proportional to 20,160,060.78, 30,240,200.52 and 5,013,992.28 is: 7,521,015.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,060.78 : 30,240,200.52 = 5,013,992.28 : x
  2. Step 2: Convert to fraction form
    20,160,060.78/30,240,200.52 = 5,013,992.28/x
  3. Step 3: Cross multiply
    20,160,060.78x = 30,240,200.52 × 5,013,992.28
  4. Step 4: Simplify right side
    20,160,060.78x = 151,624,131,952,932
  5. Step 5: Solve for x
    x = 151,624,131,952,932/20,160,060.78
  6. Step 6: Final answer
    x = 7,521,015.62

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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.