Home / 12,869,893.48-17,756,131.62-7,287,376.96

Finding the Fourth Proportional to 12,869,893.48, 17,756,131.62 and 7,287,376.96

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Solution

The fourth proportional to 12,869,893.48, 17,756,131.62 and 7,287,376.96 is: 10,054,133.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,869,893.48 : 17,756,131.62 = 7,287,376.96 : x
  2. Step 2: Convert to fraction form
    12,869,893.48/17,756,131.62 = 7,287,376.96/x
  3. Step 3: Cross multiply
    12,869,893.48x = 17,756,131.62 × 7,287,376.96
  4. Step 4: Simplify right side
    12,869,893.48x = 129,395,624,466,315.48
  5. Step 5: Solve for x
    x = 129,395,624,466,315.48/12,869,893.48
  6. Step 6: Final answer
    x = 10,054,133.29

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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.