Home / 13,608,473.70-20,385,154.35-8,475,147.30

Finding the Fourth Proportional to 13,608,473.70, 20,385,154.35 and 8,475,147.30

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Solution

The fourth proportional to 13,608,473.70, 20,385,154.35 and 8,475,147.30 is: 12,695,559.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,473.70 : 20,385,154.35 = 8,475,147.30 : x
  2. Step 2: Convert to fraction form
    13,608,473.70/20,385,154.35 = 8,475,147.30/x
  3. Step 3: Cross multiply
    13,608,473.70x = 20,385,154.35 × 8,475,147.30
  4. Step 4: Simplify right side
    13,608,473.70x = 172,767,185,849,485.78
  5. Step 5: Solve for x
    x = 172,767,185,849,485.78/13,608,473.70
  6. Step 6: Final answer
    x = 12,695,559.37

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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.