Home / 22,919,840.55-31,633,873.61-13,136,842.89

Finding the Fourth Proportional to 22,919,840.55, 31,633,873.61 and 13,136,842.89

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Solution

The fourth proportional to 22,919,840.55, 31,633,873.61 and 13,136,842.89 is: 18,131,418.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,919,840.55 : 31,633,873.61 = 13,136,842.89 : x
  2. Step 2: Convert to fraction form
    22,919,840.55/31,633,873.61 = 13,136,842.89/x
  3. Step 3: Cross multiply
    22,919,840.55x = 31,633,873.61 × 13,136,842.89
  4. Step 4: Simplify right side
    22,919,840.55x = 415,569,227,551,002.94
  5. Step 5: Solve for x
    x = 415,569,227,551,002.94/22,919,840.55
  6. Step 6: Final answer
    x = 18,131,418.79

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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.