Home / 21,410,122.64-29,546,001.72-11,620,570.42

Finding the Fourth Proportional to 21,410,122.64, 29,546,001.72 and 11,620,570.42

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Solution

The fourth proportional to 21,410,122.64, 29,546,001.72 and 11,620,570.42 is: 16,036,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,410,122.64 : 29,546,001.72 = 11,620,570.42 : x
  2. Step 2: Convert to fraction form
    21,410,122.64/29,546,001.72 = 11,620,570.42/x
  3. Step 3: Cross multiply
    21,410,122.64x = 29,546,001.72 × 11,620,570.42
  4. Step 4: Simplify right side
    21,410,122.64x = 343,341,393,558,598.25
  5. Step 5: Solve for x
    x = 343,341,393,558,598.25/21,410,122.64
  6. Step 6: Final answer
    x = 16,036,404.80

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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.