Home / 19,614,679.40-29,408,022.30-8,823,146.60

Finding the Fourth Proportional to 19,614,679.40, 29,408,022.30 and 8,823,146.60

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Solution

The fourth proportional to 19,614,679.40, 29,408,022.30 and 8,823,146.60 is: 13,228,423.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,614,679.40 : 29,408,022.30 = 8,823,146.60 : x
  2. Step 2: Convert to fraction form
    19,614,679.40/29,408,022.30 = 8,823,146.60/x
  3. Step 3: Cross multiply
    19,614,679.40x = 29,408,022.30 × 8,823,146.60
  4. Step 4: Simplify right side
    19,614,679.40x = 259,471,291,968,969.19
  5. Step 5: Solve for x
    x = 259,471,291,968,969.19/19,614,679.40
  6. Step 6: Final answer
    x = 13,228,423.81

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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.