Home / 20,042,389.54-30,048,861.75-6,387,678.46

Finding the Fourth Proportional to 20,042,389.54, 30,048,861.75 and 6,387,678.46

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Solution

The fourth proportional to 20,042,389.54, 30,048,861.75 and 6,387,678.46 is: 9,576,825.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042,389.54 : 30,048,861.75 = 6,387,678.46 : x
  2. Step 2: Convert to fraction form
    20,042,389.54/30,048,861.75 = 6,387,678.46/x
  3. Step 3: Cross multiply
    20,042,389.54x = 30,048,861.75 × 6,387,678.46
  4. Step 4: Simplify right side
    20,042,389.54x = 191,942,466,947,992.91
  5. Step 5: Solve for x
    x = 191,942,466,947,992.91/20,042,389.54
  6. Step 6: Final answer
    x = 9,576,825.49

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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.