Home / 18,822,102.52-28,220,764-12,412,812.28

Finding the Fourth Proportional to 18,822,102.52, 28,220,764 and 12,412,812.28

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Solution

The fourth proportional to 18,822,102.52, 28,220,764 and 12,412,812.28 is: 18,611,047.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,822,102.52 : 28,220,764 = 12,412,812.28 : x
  2. Step 2: Convert to fraction form
    18,822,102.52/28,220,764 = 12,412,812.28/x
  3. Step 3: Cross multiply
    18,822,102.52x = 28,220,764 × 12,412,812.28
  4. Step 4: Simplify right side
    18,822,102.52x = 350,299,045,930,181.88
  5. Step 5: Solve for x
    x = 350,299,045,930,181.88/18,822,102.52
  6. Step 6: Final answer
    x = 18,611,047.60

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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.