Home / 8,313,577.45-11,478,135.25-7,440,900.89

Finding the Fourth Proportional to 8,313,577.45, 11,478,135.25 and 7,440,900.89

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Solution

The fourth proportional to 8,313,577.45, 11,478,135.25 and 7,440,900.89 is: 10,273,274.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313,577.45 : 11,478,135.25 = 7,440,900.89 : x
  2. Step 2: Convert to fraction form
    8,313,577.45/11,478,135.25 = 7,440,900.89/x
  3. Step 3: Cross multiply
    8,313,577.45x = 11,478,135.25 × 7,440,900.89
  4. Step 4: Simplify right side
    8,313,577.45x = 85,407,666,792,218.83
  5. Step 5: Solve for x
    x = 85,407,666,792,218.83/8,313,577.45
  6. Step 6: Final answer
    x = 10,273,274.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.