Home / 10,431,574.35-15,647,361.53-6,605,199.15

Finding the Fourth Proportional to 10,431,574.35, 15,647,361.53 and 6,605,199.15

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Solution

The fourth proportional to 10,431,574.35, 15,647,361.53 and 6,605,199.15 is: 9,907,798.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431,574.35 : 15,647,361.53 = 6,605,199.15 : x
  2. Step 2: Convert to fraction form
    10,431,574.35/15,647,361.53 = 6,605,199.15/x
  3. Step 3: Cross multiply
    10,431,574.35x = 15,647,361.53 × 6,605,199.15
  4. Step 4: Simplify right side
    10,431,574.35x = 103,353,939,044,672.72
  5. Step 5: Solve for x
    x = 103,353,939,044,672.72/10,431,574.35
  6. Step 6: Final answer
    x = 9,907,798.73

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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.