Home / 22,919,882.63-31,633,931.09-13,136,883.86

Finding the Fourth Proportional to 22,919,882.63, 31,633,931.09 and 13,136,883.86

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Solution

The fourth proportional to 22,919,882.63, 31,633,931.09 and 13,136,883.86 is: 18,131,475.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,919,882.63 : 31,633,931.09 = 13,136,883.86 : x
  2. Step 2: Convert to fraction form
    22,919,882.63/31,633,931.09 = 13,136,883.86/x
  3. Step 3: Cross multiply
    22,919,882.63x = 31,633,931.09 × 13,136,883.86
  4. Step 4: Simplify right side
    22,919,882.63x = 415,571,278,876,500.31
  5. Step 5: Solve for x
    x = 415,571,278,876,500.31/22,919,882.63
  6. Step 6: Final answer
    x = 18,131,475.00

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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.