Home / 21,235,824-31,853,852.64-5,279,472

Finding the Fourth Proportional to 21,235,824, 31,853,852.64 and 5,279,472

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Solution

The fourth proportional to 21,235,824, 31,853,852.64 and 5,279,472 is: 7,919,237.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,235,824 : 31,853,852.64 = 5,279,472 : x
  2. Step 2: Convert to fraction form
    21,235,824/31,853,852.64 = 5,279,472/x
  3. Step 3: Cross multiply
    21,235,824x = 31,853,852.64 × 5,279,472
  4. Step 4: Simplify right side
    21,235,824x = 168,171,523,105,006.09
  5. Step 5: Solve for x
    x = 168,171,523,105,006.09/21,235,824
  6. Step 6: Final answer
    x = 7,919,237.00

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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.