Home / 22,919,883-31,633,931.61-13,136,884.25

Finding the Fourth Proportional to 22,919,883, 31,633,931.61 and 13,136,884.25

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Solution

The fourth proportional to 22,919,883, 31,633,931.61 and 13,136,884.25 is: 18,131,475.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,919,883 : 31,633,931.61 = 13,136,884.25 : x
  2. Step 2: Convert to fraction form
    22,919,883/31,633,931.61 = 13,136,884.25/x
  3. Step 3: Cross multiply
    22,919,883x = 31,633,931.61 × 13,136,884.25
  4. Step 4: Simplify right side
    22,919,883x = 415,571,297,774,816.44
  5. Step 5: Solve for x
    x = 415,571,297,774,816.44/22,919,883
  6. Step 6: Final answer
    x = 18,131,475.53

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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.