Home / 13,041,007.20-19,545,764.40-6,647,968.80

Finding the Fourth Proportional to 13,041,007.20, 19,545,764.40 and 6,647,968.80

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Solution

The fourth proportional to 13,041,007.20, 19,545,764.40 and 6,647,968.80 is: 9,963,926.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,041,007.20 : 19,545,764.40 = 6,647,968.80 : x
  2. Step 2: Convert to fraction form
    13,041,007.20/19,545,764.40 = 6,647,968.80/x
  3. Step 3: Cross multiply
    13,041,007.20x = 19,545,764.40 × 6,647,968.80
  4. Step 4: Simplify right side
    13,041,007.20x = 129,939,631,903,350.70
  5. Step 5: Solve for x
    x = 129,939,631,903,350.70/13,041,007.20
  6. Step 6: Final answer
    x = 9,963,926.09

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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.