Home / 18,421,146.20-27,578,575.20-16,507,958.60

Finding the Fourth Proportional to 18,421,146.20, 27,578,575.20 and 16,507,958.60

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Solution

The fourth proportional to 18,421,146.20, 27,578,575.20 and 16,507,958.60 is: 24,714,313.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,421,146.20 : 27,578,575.20 = 16,507,958.60 : x
  2. Step 2: Convert to fraction form
    18,421,146.20/27,578,575.20 = 16,507,958.60/x
  3. Step 3: Cross multiply
    18,421,146.20x = 27,578,575.20 × 16,507,958.60
  4. Step 4: Simplify right side
    18,421,146.20x = 455,265,977,648,586.69
  5. Step 5: Solve for x
    x = 455,265,977,648,586.69/18,421,146.20
  6. Step 6: Final answer
    x = 24,714,313.25

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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.