Home / 8,629,942.96-11,909,607.06-4,709,913.12

Finding the Fourth Proportional to 8,629,942.96, 11,909,607.06 and 4,709,913.12

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Solution

The fourth proportional to 8,629,942.96, 11,909,607.06 and 4,709,913.12 is: 6,499,836.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629,942.96 : 11,909,607.06 = 4,709,913.12 : x
  2. Step 2: Convert to fraction form
    8,629,942.96/11,909,607.06 = 4,709,913.12/x
  3. Step 3: Cross multiply
    8,629,942.96x = 11,909,607.06 × 4,709,913.12
  4. Step 4: Simplify right side
    8,629,942.96x = 56,093,214,545,938.63
  5. Step 5: Solve for x
    x = 56,093,214,545,938.63/8,629,942.96
  6. Step 6: Final answer
    x = 6,499,836.07

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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.