Home / 28,055,743.20-42,060,286.80-11,894,104.80

Finding the Fourth Proportional to 28,055,743.20, 42,060,286.80 and 11,894,104.80

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Solution

The fourth proportional to 28,055,743.20, 42,060,286.80 and 11,894,104.80 is: 17,831,267.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,055,743.20 : 42,060,286.80 = 11,894,104.80 : x
  2. Step 2: Convert to fraction form
    28,055,743.20/42,060,286.80 = 11,894,104.80/x
  3. Step 3: Cross multiply
    28,055,743.20x = 42,060,286.80 × 11,894,104.80
  4. Step 4: Simplify right side
    28,055,743.20x = 500,269,459,117,256.62
  5. Step 5: Solve for x
    x = 500,269,459,117,256.62/28,055,743.20
  6. Step 6: Final answer
    x = 17,831,267.40

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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.