Home / 39,860,651.74-55,007,699.07-21,525,935.62

Finding the Fourth Proportional to 39,860,651.74, 55,007,699.07 and 21,525,935.62

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Solution

The fourth proportional to 39,860,651.74, 55,007,699.07 and 21,525,935.62 is: 29,705,790.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,860,651.74 : 55,007,699.07 = 21,525,935.62 : x
  2. Step 2: Convert to fraction form
    39,860,651.74/55,007,699.07 = 21,525,935.62/x
  3. Step 3: Cross multiply
    39,860,651.74x = 55,007,699.07 × 21,525,935.62
  4. Step 4: Simplify right side
    39,860,651.74x = 1,184,092,188,728,356.75
  5. Step 5: Solve for x
    x = 1,184,092,188,728,356.75/39,860,651.74
  6. Step 6: Final answer
    x = 29,705,790.98

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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.