Home / 9,769,686.33-13,483,781.40-5,420,173.93

Finding the Fourth Proportional to 9,769,686.33, 13,483,781.40 and 5,420,173.93

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Solution

The fourth proportional to 9,769,686.33, 13,483,781.40 and 5,420,173.93 is: 7,480,735.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,769,686.33 : 13,483,781.40 = 5,420,173.93 : x
  2. Step 2: Convert to fraction form
    9,769,686.33/13,483,781.40 = 5,420,173.93/x
  3. Step 3: Cross multiply
    9,769,686.33x = 13,483,781.40 × 5,420,173.93
  4. Step 4: Simplify right side
    9,769,686.33x = 73,084,440,422,098.91
  5. Step 5: Solve for x
    x = 73,084,440,422,098.91/9,769,686.33
  6. Step 6: Final answer
    x = 7,480,735.61

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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.