Home / 14,219,156.98-19,621,951.41-8,109,553.78

Finding the Fourth Proportional to 14,219,156.98, 19,621,951.41 and 8,109,553.78

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Solution

The fourth proportional to 14,219,156.98, 19,621,951.41 and 8,109,553.78 is: 11,190,907.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,219,156.98 : 19,621,951.41 = 8,109,553.78 : x
  2. Step 2: Convert to fraction form
    14,219,156.98/19,621,951.41 = 8,109,553.78/x
  3. Step 3: Cross multiply
    14,219,156.98x = 19,621,951.41 × 8,109,553.78
  4. Step 4: Simplify right side
    14,219,156.98x = 159,125,270,227,941.84
  5. Step 5: Solve for x
    x = 159,125,270,227,941.84/14,219,156.98
  6. Step 6: Final answer
    x = 11,190,907.48

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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.