Home / 13,081,213.80-19,633,484.70-7,683,114.60

Finding the Fourth Proportional to 13,081,213.80, 19,633,484.70 and 7,683,114.60

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Solution

The fourth proportional to 13,081,213.80, 19,633,484.70 and 7,683,114.60 is: 11,531,522.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081,213.80 : 19,633,484.70 = 7,683,114.60 : x
  2. Step 2: Convert to fraction form
    13,081,213.80/19,633,484.70 = 7,683,114.60/x
  3. Step 3: Cross multiply
    13,081,213.80x = 19,633,484.70 × 7,683,114.60
  4. Step 4: Simplify right side
    13,081,213.80x = 150,846,312,947,446.59
  5. Step 5: Solve for x
    x = 150,846,312,947,446.59/13,081,213.80
  6. Step 6: Final answer
    x = 11,531,522.63

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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.