Home / 8,424,940.43-12,637,771.24-3,308,477.40

Finding the Fourth Proportional to 8,424,940.43, 12,637,771.24 and 3,308,477.40

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Solution

The fourth proportional to 8,424,940.43, 12,637,771.24 and 3,308,477.40 is: 4,962,857.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424,940.43 : 12,637,771.24 = 3,308,477.40 : x
  2. Step 2: Convert to fraction form
    8,424,940.43/12,637,771.24 = 3,308,477.40/x
  3. Step 3: Cross multiply
    8,424,940.43x = 12,637,771.24 × 3,308,477.40
  4. Step 4: Simplify right side
    8,424,940.43x = 41,811,780,561,741.40
  5. Step 5: Solve for x
    x = 41,811,780,561,741.40/8,424,940.43
  6. Step 6: Final answer
    x = 4,962,857.71

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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.