Home / 8,161,207.60-12,231,313.80-4,962,938.80

Finding the Fourth Proportional to 8,161,207.60, 12,231,313.80 and 4,962,938.80

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Solution

The fourth proportional to 8,161,207.60, 12,231,313.80 and 4,962,938.80 is: 7,438,024.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161,207.60 : 12,231,313.80 = 4,962,938.80 : x
  2. Step 2: Convert to fraction form
    8,161,207.60/12,231,313.80 = 4,962,938.80/x
  3. Step 3: Cross multiply
    8,161,207.60x = 12,231,313.80 × 4,962,938.80
  4. Step 4: Simplify right side
    8,161,207.60x = 60,703,261,832,995.45
  5. Step 5: Solve for x
    x = 60,703,261,832,995.45/8,161,207.60
  6. Step 6: Final answer
    x = 7,438,024.47

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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.