Home / 21,351,463-31,946,836.74-14,974,163.80

Finding the Fourth Proportional to 21,351,463, 31,946,836.74 and 14,974,163.80

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Solution

The fourth proportional to 21,351,463, 31,946,836.74 and 14,974,163.80 is: 22,404,889.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,351,463 : 31,946,836.74 = 14,974,163.80 : x
  2. Step 2: Convert to fraction form
    21,351,463/31,946,836.74 = 14,974,163.80/x
  3. Step 3: Cross multiply
    21,351,463x = 31,946,836.74 × 14,974,163.80
  4. Step 4: Simplify right side
    21,351,463x = 478,377,166,236,618
  5. Step 5: Solve for x
    x = 478,377,166,236,618/21,351,463
  6. Step 6: Final answer
    x = 22,404,889.36

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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.