Home / 18,822,103.04-28,220,764.76-12,412,812.80

Finding the Fourth Proportional to 18,822,103.04, 28,220,764.76 and 12,412,812.80

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Solution

The fourth proportional to 18,822,103.04, 28,220,764.76 and 12,412,812.80 is: 18,611,048.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,822,103.04 : 28,220,764.76 = 12,412,812.80 : x
  2. Step 2: Convert to fraction form
    18,822,103.04/28,220,764.76 = 12,412,812.80/x
  3. Step 3: Cross multiply
    18,822,103.04x = 28,220,764.76 × 12,412,812.80
  4. Step 4: Simplify right side
    18,822,103.04x = 350,299,070,038,717
  5. Step 5: Solve for x
    x = 350,299,070,038,717/18,822,103.04
  6. Step 6: Final answer
    x = 18,611,048.37

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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.