Home / 20,466,326.67-28,243,384.59-11,173,896.45

Finding the Fourth Proportional to 20,466,326.67, 28,243,384.59 and 11,173,896.45

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Solution

The fourth proportional to 20,466,326.67, 28,243,384.59 and 11,173,896.45 is: 15,419,897.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,466,326.67 : 28,243,384.59 = 11,173,896.45 : x
  2. Step 2: Convert to fraction form
    20,466,326.67/28,243,384.59 = 11,173,896.45/x
  3. Step 3: Cross multiply
    20,466,326.67x = 28,243,384.59 × 11,173,896.45
  4. Step 4: Simplify right side
    20,466,326.67x = 315,588,654,806,185.69
  5. Step 5: Solve for x
    x = 315,588,654,806,185.69/20,466,326.67
  6. Step 6: Final answer
    x = 15,419,897.27

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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.