Home / 13,244,828.85-18,277,935.53-7,738,526.61

Finding the Fourth Proportional to 13,244,828.85, 18,277,935.53 and 7,738,526.61

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Solution

The fourth proportional to 13,244,828.85, 18,277,935.53 and 7,738,526.61 is: 10,679,208.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244,828.85 : 18,277,935.53 = 7,738,526.61 : x
  2. Step 2: Convert to fraction form
    13,244,828.85/18,277,935.53 = 7,738,526.61/x
  3. Step 3: Cross multiply
    13,244,828.85x = 18,277,935.53 × 7,738,526.61
  4. Step 4: Simplify right side
    13,244,828.85x = 141,444,290,436,076.81
  5. Step 5: Solve for x
    x = 141,444,290,436,076.81/13,244,828.85
  6. Step 6: Final answer
    x = 10,679,208.62

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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.