Home / 14,253,998.70-21,380,998.05-4,669,689.90

Finding the Fourth Proportional to 14,253,998.70, 21,380,998.05 and 4,669,689.90

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Solution

The fourth proportional to 14,253,998.70, 21,380,998.05 and 4,669,689.90 is: 7,004,534.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253,998.70 : 21,380,998.05 = 4,669,689.90 : x
  2. Step 2: Convert to fraction form
    14,253,998.70/21,380,998.05 = 4,669,689.90/x
  3. Step 3: Cross multiply
    14,253,998.70x = 21,380,998.05 × 4,669,689.90
  4. Step 4: Simplify right side
    14,253,998.70x = 99,842,630,646,004.70
  5. Step 5: Solve for x
    x = 99,842,630,646,004.70/14,253,998.70
  6. Step 6: Final answer
    x = 7,004,534.85

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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.