Home / 20,358,518.88-28,094,044.56-11,191,095.84

Finding the Fourth Proportional to 20,358,518.88, 28,094,044.56 and 11,191,095.84

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Solution

The fourth proportional to 20,358,518.88, 28,094,044.56 and 11,191,095.84 is: 15,443,321.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,358,518.88 : 28,094,044.56 = 11,191,095.84 : x
  2. Step 2: Convert to fraction form
    20,358,518.88/28,094,044.56 = 11,191,095.84/x
  3. Step 3: Cross multiply
    20,358,518.88x = 28,094,044.56 × 11,191,095.84
  4. Step 4: Simplify right side
    20,358,518.88x = 314,403,145,204,190.62
  5. Step 5: Solve for x
    x = 314,403,145,204,190.62/20,358,518.88
  6. Step 6: Final answer
    x = 15,443,321.15

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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.