Home / 14,127,769.56-21,187,860.20-3,890,191.98

Finding the Fourth Proportional to 14,127,769.56, 21,187,860.20 and 3,890,191.98

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Solution

The fourth proportional to 14,127,769.56, 21,187,860.20 and 3,890,191.98 is: 5,834,243.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127,769.56 : 21,187,860.20 = 3,890,191.98 : x
  2. Step 2: Convert to fraction form
    14,127,769.56/21,187,860.20 = 3,890,191.98/x
  3. Step 3: Cross multiply
    14,127,769.56x = 21,187,860.20 × 3,890,191.98
  4. Step 4: Simplify right side
    14,127,769.56x = 82,424,843,823,401.19
  5. Step 5: Solve for x
    x = 82,424,843,823,401.19/14,127,769.56
  6. Step 6: Final answer
    x = 5,834,243.22

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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.