Home / 21,824,133.89-30,118,031.84-11,901,559.41

Finding the Fourth Proportional to 21,824,133.89, 30,118,031.84 and 11,901,559.41

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Solution

The fourth proportional to 21,824,133.89, 30,118,031.84 and 11,901,559.41 is: 16,424,548.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,824,133.89 : 30,118,031.84 = 11,901,559.41 : x
  2. Step 2: Convert to fraction form
    21,824,133.89/30,118,031.84 = 11,901,559.41/x
  3. Step 3: Cross multiply
    21,824,133.89x = 30,118,031.84 × 11,901,559.41
  4. Step 4: Simplify right side
    21,824,133.89x = 358,451,545,256,031.62
  5. Step 5: Solve for x
    x = 358,451,545,256,031.62/21,824,133.89
  6. Step 6: Final answer
    x = 16,424,548.49

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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.