Home / 20,563,334.84-28,376,781.86-11,270,702.60

Finding the Fourth Proportional to 20,563,334.84, 28,376,781.86 and 11,270,702.60

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Solution

The fourth proportional to 20,563,334.84, 28,376,781.86 and 11,270,702.60 is: 15,553,229.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,563,334.84 : 28,376,781.86 = 11,270,702.60 : x
  2. Step 2: Convert to fraction form
    20,563,334.84/28,376,781.86 = 11,270,702.60/x
  3. Step 3: Cross multiply
    20,563,334.84x = 28,376,781.86 × 11,270,702.60
  4. Step 4: Simplify right side
    20,563,334.84x = 319,826,269,089,134.81
  5. Step 5: Solve for x
    x = 319,826,269,089,134.81/20,563,334.84
  6. Step 6: Final answer
    x = 15,553,229.65

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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.