Home / 15,310,518.49-21,114,323.24-11,173,997.53

Finding the Fourth Proportional to 15,310,518.49, 21,114,323.24 and 11,173,997.53

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Solution

The fourth proportional to 15,310,518.49, 21,114,323.24 and 11,173,997.53 is: 15,409,758.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,310,518.49 : 21,114,323.24 = 11,173,997.53 : x
  2. Step 2: Convert to fraction form
    15,310,518.49/21,114,323.24 = 11,173,997.53/x
  3. Step 3: Cross multiply
    15,310,518.49x = 21,114,323.24 × 11,173,997.53
  4. Step 4: Simplify right side
    15,310,518.49x = 235,931,395,731,381.56
  5. Step 5: Solve for x
    x = 235,931,395,731,381.56/15,310,518.49
  6. Step 6: Final answer
    x = 15,409,758.71

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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.