Home / 12,476,852.20-18,723,572.70-7,085,492.20

Finding the Fourth Proportional to 12,476,852.20, 18,723,572.70 and 7,085,492.20

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Solution

The fourth proportional to 12,476,852.20, 18,723,572.70 and 7,085,492.20 is: 10,632,948.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476,852.20 : 18,723,572.70 = 7,085,492.20 : x
  2. Step 2: Convert to fraction form
    12,476,852.20/18,723,572.70 = 7,085,492.20/x
  3. Step 3: Cross multiply
    12,476,852.20x = 18,723,572.70 × 7,085,492.20
  4. Step 4: Simplify right side
    12,476,852.20x = 132,665,728,321,982.94
  5. Step 5: Solve for x
    x = 132,665,728,321,982.94/12,476,852.20
  6. Step 6: Final answer
    x = 10,632,948.62

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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.