Home / 12,405,461.42-18,609,359.13-3,651,745.79

Finding the Fourth Proportional to 12,405,461.42, 18,609,359.13 and 3,651,745.79

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Solution

The fourth proportional to 12,405,461.42, 18,609,359.13 and 3,651,745.79 is: 5,477,962.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,405,461.42 : 18,609,359.13 = 3,651,745.79 : x
  2. Step 2: Convert to fraction form
    12,405,461.42/18,609,359.13 = 3,651,745.79/x
  3. Step 3: Cross multiply
    12,405,461.42x = 18,609,359.13 × 3,651,745.79
  4. Step 4: Simplify right side
    12,405,461.42x = 67,956,648,764,528.77
  5. Step 5: Solve for x
    x = 67,956,648,764,528.77/12,405,461.42
  6. Step 6: Final answer
    x = 5,477,962.20

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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.