Home / 20,293,701.24-28,005,582.80-11,126,324.28

Finding the Fourth Proportional to 20,293,701.24, 28,005,582.80 and 11,126,324.28

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Solution

The fourth proportional to 20,293,701.24, 28,005,582.80 and 11,126,324.28 is: 15,354,478.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,293,701.24 : 28,005,582.80 = 11,126,324.28 : x
  2. Step 2: Convert to fraction form
    20,293,701.24/28,005,582.80 = 11,126,324.28/x
  3. Step 3: Cross multiply
    20,293,701.24x = 28,005,582.80 × 11,126,324.28
  4. Step 4: Simplify right side
    20,293,701.24x = 311,599,195,883,190.38
  5. Step 5: Solve for x
    x = 311,599,195,883,190.38/20,293,701.24
  6. Step 6: Final answer
    x = 15,354,478.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.