Home / 18,461,333.10-25,476,266.43-11,220,321.90

Finding the Fourth Proportional to 18,461,333.10, 25,476,266.43 and 11,220,321.90

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Solution

The fourth proportional to 18,461,333.10, 25,476,266.43 and 11,220,321.90 is: 15,483,817.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,461,333.10 : 25,476,266.43 = 11,220,321.90 : x
  2. Step 2: Convert to fraction form
    18,461,333.10/25,476,266.43 = 11,220,321.90/x
  3. Step 3: Cross multiply
    18,461,333.10x = 25,476,266.43 × 11,220,321.90
  4. Step 4: Simplify right side
    18,461,333.10x = 285,851,910,154,763.81
  5. Step 5: Solve for x
    x = 285,851,910,154,763.81/18,461,333.10
  6. Step 6: Final answer
    x = 15,483,817.37

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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.