Home / 18,714,977.62-25,862,181.30-13,505,084.34

Finding the Fourth Proportional to 18,714,977.62, 25,862,181.30 and 13,505,084.34

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Solution

The fourth proportional to 18,714,977.62, 25,862,181.30 and 13,505,084.34 is: 18,662,642.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,714,977.62 : 25,862,181.30 = 13,505,084.34 : x
  2. Step 2: Convert to fraction form
    18,714,977.62/25,862,181.30 = 13,505,084.34/x
  3. Step 3: Cross multiply
    18,714,977.62x = 25,862,181.30 × 13,505,084.34
  4. Step 4: Simplify right side
    18,714,977.62x = 349,270,939,672,870.88
  5. Step 5: Solve for x
    x = 349,270,939,672,870.88/18,714,977.62
  6. Step 6: Final answer
    x = 18,662,642.66

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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.