Home / 16,915,897.40-23,343,961.45-9,180,939.82

Finding the Fourth Proportional to 16,915,897.40, 23,343,961.45 and 9,180,939.82

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Solution

The fourth proportional to 16,915,897.40, 23,343,961.45 and 9,180,939.82 is: 12,669,709.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915,897.40 : 23,343,961.45 = 9,180,939.82 : x
  2. Step 2: Convert to fraction form
    16,915,897.40/23,343,961.45 = 9,180,939.82/x
  3. Step 3: Cross multiply
    16,915,897.40x = 23,343,961.45 × 9,180,939.82
  4. Step 4: Simplify right side
    16,915,897.40x = 214,319,505,232,849.94
  5. Step 5: Solve for x
    x = 214,319,505,232,849.94/16,915,897.40
  6. Step 6: Final answer
    x = 12,669,709.46

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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.