Home / 8,499,512.63-11,731,220.57-5,401,431.89

Finding the Fourth Proportional to 8,499,512.63, 11,731,220.57 and 5,401,431.89

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Solution

The fourth proportional to 8,499,512.63, 11,731,220.57 and 5,401,431.89 is: 7,455,179.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499,512.63 : 11,731,220.57 = 5,401,431.89 : x
  2. Step 2: Convert to fraction form
    8,499,512.63/11,731,220.57 = 5,401,431.89/x
  3. Step 3: Cross multiply
    8,499,512.63x = 11,731,220.57 × 5,401,431.89
  4. Step 4: Simplify right side
    8,499,512.63x = 63,365,388,868,414.81
  5. Step 5: Solve for x
    x = 63,365,388,868,414.81/8,499,512.63
  6. Step 6: Final answer
    x = 7,455,179.10

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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.