Home / 39,083,409.36-53,934,906.24-21,679,574.40

Finding the Fourth Proportional to 39,083,409.36, 53,934,906.24 and 21,679,574.40

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Solution

The fourth proportional to 39,083,409.36, 53,934,906.24 and 21,679,574.40 is: 29,917,702.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,083,409.36 : 53,934,906.24 = 21,679,574.40 : x
  2. Step 2: Convert to fraction form
    39,083,409.36/53,934,906.24 = 21,679,574.40/x
  3. Step 3: Cross multiply
    39,083,409.36x = 53,934,906.24 × 21,679,574.40
  4. Step 4: Simplify right side
    39,083,409.36x = 1,169,285,812,587,104.25
  5. Step 5: Solve for x
    x = 1,169,285,812,587,104.25/39,083,409.36
  6. Step 6: Final answer
    x = 29,917,702.47

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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.