Home / 14,364,692.70-21,547,039.05-8,979,423.90

Finding the Fourth Proportional to 14,364,692.70, 21,547,039.05 and 8,979,423.90

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Solution

The fourth proportional to 14,364,692.70, 21,547,039.05 and 8,979,423.90 is: 13,469,135.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,364,692.70 : 21,547,039.05 = 8,979,423.90 : x
  2. Step 2: Convert to fraction form
    14,364,692.70/21,547,039.05 = 8,979,423.90/x
  3. Step 3: Cross multiply
    14,364,692.70x = 21,547,039.05 × 8,979,423.90
  4. Step 4: Simplify right side
    14,364,692.70x = 193,479,997,419,803.31
  5. Step 5: Solve for x
    x = 193,479,997,419,803.31/14,364,692.70
  6. Step 6: Final answer
    x = 13,469,135.85

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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.