Home / 20,941,153.98-31,410,817.05-6,563,893.50

Finding the Fourth Proportional to 20,941,153.98, 31,410,817.05 and 6,563,893.50

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Solution

The fourth proportional to 20,941,153.98, 31,410,817.05 and 6,563,893.50 is: 9,845,553.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,941,153.98 : 31,410,817.05 = 6,563,893.50 : x
  2. Step 2: Convert to fraction form
    20,941,153.98/31,410,817.05 = 6,563,893.50/x
  3. Step 3: Cross multiply
    20,941,153.98x = 31,410,817.05 × 6,563,893.50
  4. Step 4: Simplify right side
    20,941,153.98x = 206,177,257,864,184.19
  5. Step 5: Solve for x
    x = 206,177,257,864,184.19/20,941,153.98
  6. Step 6: Final answer
    x = 9,845,553.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.