Home / 14,243,593.80-21,374,576.10-7,858,428.60

Finding the Fourth Proportional to 14,243,593.80, 21,374,576.10 and 7,858,428.60

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Solution

The fourth proportional to 14,243,593.80, 21,374,576.10 and 7,858,428.60 is: 11,792,710.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,243,593.80 : 21,374,576.10 = 7,858,428.60 : x
  2. Step 2: Convert to fraction form
    14,243,593.80/21,374,576.10 = 7,858,428.60/x
  3. Step 3: Cross multiply
    14,243,593.80x = 21,374,576.10 × 7,858,428.60
  4. Step 4: Simplify right side
    14,243,593.80x = 167,970,580,137,116.47
  5. Step 5: Solve for x
    x = 167,970,580,137,116.47/14,243,593.80
  6. Step 6: Final answer
    x = 11,792,710.64

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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.