Home / 12,494,772.80-18,728,162.40-7,106,004.80

Finding the Fourth Proportional to 12,494,772.80, 18,728,162.40 and 7,106,004.80

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Solution

The fourth proportional to 12,494,772.80, 18,728,162.40 and 7,106,004.80 is: 10,651,046.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,494,772.80 : 18,728,162.40 = 7,106,004.80 : x
  2. Step 2: Convert to fraction form
    12,494,772.80/18,728,162.40 = 7,106,004.80/x
  3. Step 3: Cross multiply
    12,494,772.80x = 18,728,162.40 × 7,106,004.80
  4. Step 4: Simplify right side
    12,494,772.80x = 133,082,411,909,579.50
  5. Step 5: Solve for x
    x = 133,082,411,909,579.50/12,494,772.80
  6. Step 6: Final answer
    x = 10,651,046.96

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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.