Home / 21,504,484.80-32,256,727.20-8,731,108.80

Finding the Fourth Proportional to 21,504,484.80, 32,256,727.20 and 8,731,108.80

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Solution

The fourth proportional to 21,504,484.80, 32,256,727.20 and 8,731,108.80 is: 13,096,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,504,484.80 : 32,256,727.20 = 8,731,108.80 : x
  2. Step 2: Convert to fraction form
    21,504,484.80/32,256,727.20 = 8,731,108.80/x
  3. Step 3: Cross multiply
    21,504,484.80x = 32,256,727.20 × 8,731,108.80
  4. Step 4: Simplify right side
    21,504,484.80x = 281,636,994,715,119.38
  5. Step 5: Solve for x
    x = 281,636,994,715,119.38/21,504,484.80
  6. Step 6: Final answer
    x = 13,096,663.20

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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.