Home / 12,564,219.80-18,847,415.22-3,466,317.40

Finding the Fourth Proportional to 12,564,219.80, 18,847,415.22 and 3,466,317.40

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Solution

The fourth proportional to 12,564,219.80, 18,847,415.22 and 3,466,317.40 is: 5,199,775.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,564,219.80 : 18,847,415.22 = 3,466,317.40 : x
  2. Step 2: Convert to fraction form
    12,564,219.80/18,847,415.22 = 3,466,317.40/x
  3. Step 3: Cross multiply
    12,564,219.80x = 18,847,415.22 × 3,466,317.40
  4. Step 4: Simplify right side
    12,564,219.80x = 65,331,123,322,110.82
  5. Step 5: Solve for x
    x = 65,331,123,322,110.82/12,564,219.80
  6. Step 6: Final answer
    x = 5,199,775.58

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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.