Home / 13,305,796.80-19,958,695.20-5,732,762.55

Finding the Fourth Proportional to 13,305,796.80, 19,958,695.20 and 5,732,762.55

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Solution

The fourth proportional to 13,305,796.80, 19,958,695.20 and 5,732,762.55 is: 8,599,143.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,796.80 : 19,958,695.20 = 5,732,762.55 : x
  2. Step 2: Convert to fraction form
    13,305,796.80/19,958,695.20 = 5,732,762.55/x
  3. Step 3: Cross multiply
    13,305,796.80x = 19,958,695.20 × 5,732,762.55
  4. Step 4: Simplify right side
    13,305,796.80x = 114,418,460,389,424.75
  5. Step 5: Solve for x
    x = 114,418,460,389,424.75/13,305,796.80
  6. Step 6: Final answer
    x = 8,599,143.83

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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.