Home / 20,460,284.06-30,703,493.42-9,678,220.97

Finding the Fourth Proportional to 20,460,284.06, 30,703,493.42 and 9,678,220.97

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Solution

The fourth proportional to 20,460,284.06, 30,703,493.42 and 9,678,220.97 is: 14,523,512.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,460,284.06 : 30,703,493.42 = 9,678,220.97 : x
  2. Step 2: Convert to fraction form
    20,460,284.06/30,703,493.42 = 9,678,220.97/x
  3. Step 3: Cross multiply
    20,460,284.06x = 30,703,493.42 × 9,678,220.97
  4. Step 4: Simplify right side
    20,460,284.06x = 297,155,193,869,701.06
  5. Step 5: Solve for x
    x = 297,155,193,869,701.06/20,460,284.06
  6. Step 6: Final answer
    x = 14,523,512.63

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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.