Home / 21,232,378.39-31,848,247.09-9,552,501.89

Finding the Fourth Proportional to 21,232,378.39, 31,848,247.09 and 9,552,501.89

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Solution

The fourth proportional to 21,232,378.39, 31,848,247.09 and 9,552,501.89 is: 14,328,608.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,232,378.39 : 31,848,247.09 = 9,552,501.89 : x
  2. Step 2: Convert to fraction form
    21,232,378.39/31,848,247.09 = 9,552,501.89/x
  3. Step 3: Cross multiply
    21,232,378.39x = 31,848,247.09 × 9,552,501.89
  4. Step 4: Simplify right side
    21,232,378.39x = 304,230,440,313,408.25
  5. Step 5: Solve for x
    x = 304,230,440,313,408.25/21,232,378.39
  6. Step 6: Final answer
    x = 14,328,608.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.