Home / 21,786,048.30-32,679,072.45-9,842,112.30

Finding the Fourth Proportional to 21,786,048.30, 32,679,072.45 and 9,842,112.30

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Solution

The fourth proportional to 21,786,048.30, 32,679,072.45 and 9,842,112.30 is: 14,763,168.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,786,048.30 : 32,679,072.45 = 9,842,112.30 : x
  2. Step 2: Convert to fraction form
    21,786,048.30/32,679,072.45 = 9,842,112.30/x
  3. Step 3: Cross multiply
    21,786,048.30x = 32,679,072.45 × 9,842,112.30
  4. Step 4: Simplify right side
    21,786,048.30x = 321,631,100,912,736.12
  5. Step 5: Solve for x
    x = 321,631,100,912,736.12/21,786,048.30
  6. Step 6: Final answer
    x = 14,763,168.45

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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.