Home / 14,706,198.81-20,294,263.16-8,179,687.80

Finding the Fourth Proportional to 14,706,198.81, 20,294,263.16 and 8,179,687.80

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Solution

The fourth proportional to 14,706,198.81, 20,294,263.16 and 8,179,687.80 is: 11,287,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,706,198.81 : 20,294,263.16 = 8,179,687.80 : x
  2. Step 2: Convert to fraction form
    14,706,198.81/20,294,263.16 = 8,179,687.80/x
  3. Step 3: Cross multiply
    14,706,198.81x = 20,294,263.16 × 8,179,687.80
  4. Step 4: Simplify right side
    14,706,198.81x = 166,000,736,769,616.84
  5. Step 5: Solve for x
    x = 166,000,736,769,616.84/14,706,198.81
  6. Step 6: Final answer
    x = 11,287,807.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.