Home / 22,476,940.38-31,018,272.30-12,163,663.98

Finding the Fourth Proportional to 22,476,940.38, 31,018,272.30 and 12,163,663.98

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Solution

The fourth proportional to 22,476,940.38, 31,018,272.30 and 12,163,663.98 is: 16,785,907.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,476,940.38 : 31,018,272.30 = 12,163,663.98 : x
  2. Step 2: Convert to fraction form
    22,476,940.38/31,018,272.30 = 12,163,663.98/x
  3. Step 3: Cross multiply
    22,476,940.38x = 31,018,272.30 × 12,163,663.98
  4. Step 4: Simplify right side
    22,476,940.38x = 377,295,841,497,341.75
  5. Step 5: Solve for x
    x = 377,295,841,497,341.75/22,476,940.38
  6. Step 6: Final answer
    x = 16,785,907.47

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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.