Home / 39,040,305.53-53,875,626.75-21,637,774.26

Finding the Fourth Proportional to 39,040,305.53, 53,875,626.75 and 21,637,774.26

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Solution

The fourth proportional to 39,040,305.53, 53,875,626.75 and 21,637,774.26 is: 29,860,131.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,040,305.53 : 53,875,626.75 = 21,637,774.26 : x
  2. Step 2: Convert to fraction form
    39,040,305.53/53,875,626.75 = 21,637,774.26/x
  3. Step 3: Cross multiply
    39,040,305.53x = 53,875,626.75 × 21,637,774.26
  4. Step 4: Simplify right side
    39,040,305.53x = 1,165,748,649,732,517.50
  5. Step 5: Solve for x
    x = 1,165,748,649,732,517.50/39,040,305.53
  6. Step 6: Final answer
    x = 29,860,131.32

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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.