Home / 9,876,692.20-14,846,531.10-9,309,821.80

Finding the Fourth Proportional to 9,876,692.20, 14,846,531.10 and 9,309,821.80

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Solution

The fourth proportional to 9,876,692.20, 14,846,531.10 and 9,309,821.80 is: 13,994,417.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,876,692.20 : 14,846,531.10 = 9,309,821.80 : x
  2. Step 2: Convert to fraction form
    9,876,692.20/14,846,531.10 = 9,309,821.80/x
  3. Step 3: Cross multiply
    9,876,692.20x = 14,846,531.10 × 9,309,821.80
  4. Step 4: Simplify right side
    9,876,692.20x = 138,218,558,889,157.98
  5. Step 5: Solve for x
    x = 138,218,558,889,157.98/9,876,692.20
  6. Step 6: Final answer
    x = 13,994,417.98

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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.