Home / 15,018,477.98-22,466,018.97-11,991,755.64

Finding the Fourth Proportional to 15,018,477.98, 22,466,018.97 and 11,991,755.64

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Solution

The fourth proportional to 15,018,477.98, 22,466,018.97 and 11,991,755.64 is: 17,938,369.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,018,477.98 : 22,466,018.97 = 11,991,755.64 : x
  2. Step 2: Convert to fraction form
    15,018,477.98/22,466,018.97 = 11,991,755.64/x
  3. Step 3: Cross multiply
    15,018,477.98x = 22,466,018.97 × 11,991,755.64
  4. Step 4: Simplify right side
    15,018,477.98x = 269,407,009,631,885.72
  5. Step 5: Solve for x
    x = 269,407,009,631,885.72/15,018,477.98
  6. Step 6: Final answer
    x = 17,938,369.65

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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.