Home / 8,415,143.90-12,622,719.35-2,025,396.25

Finding the Fourth Proportional to 8,415,143.90, 12,622,719.35 and 2,025,396.25

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Solution

The fourth proportional to 8,415,143.90, 12,622,719.35 and 2,025,396.25 is: 3,038,095.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,415,143.90 : 12,622,719.35 = 2,025,396.25 : x
  2. Step 2: Convert to fraction form
    8,415,143.90/12,622,719.35 = 2,025,396.25/x
  3. Step 3: Cross multiply
    8,415,143.90x = 12,622,719.35 × 2,025,396.25
  4. Step 4: Simplify right side
    8,415,143.90x = 25,566,008,408,706.43
  5. Step 5: Solve for x
    x = 25,566,008,408,706.43/8,415,143.90
  6. Step 6: Final answer
    x = 3,038,095.22

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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.