Home / 39,083,410.36-53,934,907.62-21,679,575.40

Finding the Fourth Proportional to 39,083,410.36, 53,934,907.62 and 21,679,575.40

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Solution

The fourth proportional to 39,083,410.36, 53,934,907.62 and 21,679,575.40 is: 29,917,703.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,083,410.36 : 53,934,907.62 = 21,679,575.40 : x
  2. Step 2: Convert to fraction form
    39,083,410.36/53,934,907.62 = 21,679,575.40/x
  3. Step 3: Cross multiply
    39,083,410.36x = 53,934,907.62 × 21,679,575.40
  4. Step 4: Simplify right side
    39,083,410.36x = 1,169,285,896,439,824.50
  5. Step 5: Solve for x
    x = 1,169,285,896,439,824.50/39,083,410.36
  6. Step 6: Final answer
    x = 29,917,703.85

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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.