Home / 39,081,393.46-53,938,791.42-21,683,343.73

Finding the Fourth Proportional to 39,081,393.46, 53,938,791.42 and 21,683,343.73

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Solution

The fourth proportional to 39,081,393.46, 53,938,791.42 and 21,683,343.73 is: 29,926,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,081,393.46 : 53,938,791.42 = 21,683,343.73 : x
  2. Step 2: Convert to fraction form
    39,081,393.46/53,938,791.42 = 21,683,343.73/x
  3. Step 3: Cross multiply
    39,081,393.46x = 53,938,791.42 × 21,683,343.73
  4. Step 4: Simplify right side
    39,081,393.46x = 1,169,573,354,740,634.75
  5. Step 5: Solve for x
    x = 1,169,573,354,740,634.75/39,081,393.46
  6. Step 6: Final answer
    x = 29,926,603.20

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Double scale
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1.5x scale

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.