Home / 8,603,742.09-12,905,555.71-3,486,096.48

Finding the Fourth Proportional to 8,603,742.09, 12,905,555.71 and 3,486,096.48

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Solution

The fourth proportional to 8,603,742.09, 12,905,555.71 and 3,486,096.48 is: 5,229,121.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603,742.09 : 12,905,555.71 = 3,486,096.48 : x
  2. Step 2: Convert to fraction form
    8,603,742.09/12,905,555.71 = 3,486,096.48/x
  3. Step 3: Cross multiply
    8,603,742.09x = 12,905,555.71 × 3,486,096.48
  4. Step 4: Simplify right side
    8,603,742.09x = 44,990,012,333,074.91
  5. Step 5: Solve for x
    x = 44,990,012,333,074.91/8,603,742.09
  6. Step 6: Final answer
    x = 5,229,121.45

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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.