Home / 23,174,571.84-31,978,795.92-13,753,738.32

Finding the Fourth Proportional to 23,174,571.84, 31,978,795.92 and 13,753,738.32

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Solution

The fourth proportional to 23,174,571.84, 31,978,795.92 and 13,753,738.32 is: 18,978,904.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,174,571.84 : 31,978,795.92 = 13,753,738.32 : x
  2. Step 2: Convert to fraction form
    23,174,571.84/31,978,795.92 = 13,753,738.32/x
  3. Step 3: Cross multiply
    23,174,571.84x = 31,978,795.92 × 13,753,738.32
  4. Step 4: Simplify right side
    23,174,571.84x = 439,827,990,872,363.69
  5. Step 5: Solve for x
    x = 439,827,990,872,363.69/23,174,571.84
  6. Step 6: Final answer
    x = 18,978,904.72

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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.