Home / 12,209,474.70-18,316,836.45-3,690,672.30

Finding the Fourth Proportional to 12,209,474.70, 18,316,836.45 and 3,690,672.30

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Solution

The fourth proportional to 12,209,474.70, 18,316,836.45 and 3,690,672.30 is: 5,536,801.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,209,474.70 : 18,316,836.45 = 3,690,672.30 : x
  2. Step 2: Convert to fraction form
    12,209,474.70/18,316,836.45 = 3,690,672.30/x
  3. Step 3: Cross multiply
    12,209,474.70x = 18,316,836.45 × 3,690,672.30
  4. Step 4: Simplify right side
    12,209,474.70x = 67,601,440,909,645.33
  5. Step 5: Solve for x
    x = 67,601,440,909,645.33/12,209,474.70
  6. Step 6: Final answer
    x = 5,536,801.75

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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.