Home / 13,505,647.04-18,637,847.68-7,394,644.16

Finding the Fourth Proportional to 13,505,647.04, 18,637,847.68 and 7,394,644.16

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Solution

The fourth proportional to 13,505,647.04, 18,637,847.68 and 7,394,644.16 is: 10,204,638.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,505,647.04 : 18,637,847.68 = 7,394,644.16 : x
  2. Step 2: Convert to fraction form
    13,505,647.04/18,637,847.68 = 7,394,644.16/x
  3. Step 3: Cross multiply
    13,505,647.04x = 18,637,847.68 × 7,394,644.16
  4. Step 4: Simplify right side
    13,505,647.04x = 137,820,251,501,881.55
  5. Step 5: Solve for x
    x = 137,820,251,501,881.55/13,505,647.04
  6. Step 6: Final answer
    x = 10,204,638.93

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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.