Home / 15,295,399.98-21,102,897.60-8,678,893.92

Finding the Fourth Proportional to 15,295,399.98, 21,102,897.60 and 8,678,893.92

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Solution

The fourth proportional to 15,295,399.98, 21,102,897.60 and 8,678,893.92 is: 11,974,175.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,295,399.98 : 21,102,897.60 = 8,678,893.92 : x
  2. Step 2: Convert to fraction form
    15,295,399.98/21,102,897.60 = 8,678,893.92/x
  3. Step 3: Cross multiply
    15,295,399.98x = 21,102,897.60 × 8,678,893.92
  4. Step 4: Simplify right side
    15,295,399.98x = 183,149,809,675,022.59
  5. Step 5: Solve for x
    x = 183,149,809,675,022.59/15,295,399.98
  6. Step 6: Final answer
    x = 11,974,175.89

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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.