Home / 7,724,791.90-10,660,143.75-4,240,027.45

Finding the Fourth Proportional to 7,724,791.90, 10,660,143.75 and 4,240,027.45

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Solution

The fourth proportional to 7,724,791.90, 10,660,143.75 and 4,240,027.45 is: 5,851,199.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724,791.90 : 10,660,143.75 = 4,240,027.45 : x
  2. Step 2: Convert to fraction form
    7,724,791.90/10,660,143.75 = 4,240,027.45/x
  3. Step 3: Cross multiply
    7,724,791.90x = 10,660,143.75 × 4,240,027.45
  4. Step 4: Simplify right side
    7,724,791.90x = 45,199,302,120,945.94
  5. Step 5: Solve for x
    x = 45,199,302,120,945.94/7,724,791.90
  6. Step 6: Final answer
    x = 5,851,199.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.