Home / 8,438,918.96-11,645,743.83-4,571,440.11

Finding the Fourth Proportional to 8,438,918.96, 11,645,743.83 and 4,571,440.11

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Solution

The fourth proportional to 8,438,918.96, 11,645,743.83 and 4,571,440.11 is: 6,308,606.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438,918.96 : 11,645,743.83 = 4,571,440.11 : x
  2. Step 2: Convert to fraction form
    8,438,918.96/11,645,743.83 = 4,571,440.11/x
  3. Step 3: Cross multiply
    8,438,918.96x = 11,645,743.83 × 4,571,440.11
  4. Step 4: Simplify right side
    8,438,918.96x = 53,237,820,455,247.02
  5. Step 5: Solve for x
    x = 53,237,820,455,247.02/8,438,918.96
  6. Step 6: Final answer
    x = 6,308,606.68

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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.