Home / 39,860,651.93-55,007,699.33-21,525,935.81

Finding the Fourth Proportional to 39,860,651.93, 55,007,699.33 and 21,525,935.81

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Solution

The fourth proportional to 39,860,651.93, 55,007,699.33 and 21,525,935.81 is: 29,705,791.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,860,651.93 : 55,007,699.33 = 21,525,935.81 : x
  2. Step 2: Convert to fraction form
    39,860,651.93/55,007,699.33 = 21,525,935.81/x
  3. Step 3: Cross multiply
    39,860,651.93x = 55,007,699.33 × 21,525,935.81
  4. Step 4: Simplify right side
    39,860,651.93x = 1,184,092,204,612,136.50
  5. Step 5: Solve for x
    x = 1,184,092,204,612,136.50/39,860,651.93
  6. Step 6: Final answer
    x = 29,705,791.24

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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.