Home / 20,348,821.07-28,081,476.93-11,056,414.86

Finding the Fourth Proportional to 20,348,821.07, 28,081,476.93 and 11,056,414.86

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Solution

The fourth proportional to 20,348,821.07, 28,081,476.93 and 11,056,414.86 is: 15,257,908.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348,821.07 : 28,081,476.93 = 11,056,414.86 : x
  2. Step 2: Convert to fraction form
    20,348,821.07/28,081,476.93 = 11,056,414.86/x
  3. Step 3: Cross multiply
    20,348,821.07x = 28,081,476.93 × 11,056,414.86
  4. Step 4: Simplify right side
    20,348,821.07x = 310,480,459,001,096.75
  5. Step 5: Solve for x
    x = 310,480,459,001,096.75/20,348,821.07
  6. Step 6: Final answer
    x = 15,257,908.94

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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.