Home / 39,087,636.93-53,940,774.55-21,683,982.15

Finding the Fourth Proportional to 39,087,636.93, 53,940,774.55 and 21,683,982.15

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Solution

The fourth proportional to 39,087,636.93, 53,940,774.55 and 21,683,982.15 is: 29,923,804.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,087,636.93 : 53,940,774.55 = 21,683,982.15 : x
  2. Step 2: Convert to fraction form
    39,087,636.93/53,940,774.55 = 21,683,982.15/x
  3. Step 3: Cross multiply
    39,087,636.93x = 53,940,774.55 × 21,683,982.15
  4. Step 4: Simplify right side
    39,087,636.93x = 1,169,650,792,630,092.25
  5. Step 5: Solve for x
    x = 1,169,650,792,630,092.25/39,087,636.93
  6. Step 6: Final answer
    x = 29,923,804.16

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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.