Home / 18,609,098.56-27,909,968.01-17,686,297.55

Finding the Fourth Proportional to 18,609,098.56, 27,909,968.01 and 17,686,297.55

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Solution

The fourth proportional to 18,609,098.56, 27,909,968.01 and 17,686,297.55 is: 26,525,948.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,609,098.56 : 27,909,968.01 = 17,686,297.55 : x
  2. Step 2: Convert to fraction form
    18,609,098.56/27,909,968.01 = 17,686,297.55/x
  3. Step 3: Cross multiply
    18,609,098.56x = 27,909,968.01 × 17,686,297.55
  4. Step 4: Simplify right side
    18,609,098.56x = 493,623,998,839,292.69
  5. Step 5: Solve for x
    x = 493,623,998,839,292.69/18,609,098.56
  6. Step 6: Final answer
    x = 26,525,948.98

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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.