Home / 8,438,918.87-11,645,743.71-4,571,440.02

Finding the Fourth Proportional to 8,438,918.87, 11,645,743.71 and 4,571,440.02

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Solution

The fourth proportional to 8,438,918.87, 11,645,743.71 and 4,571,440.02 is: 6,308,606.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438,918.87 : 11,645,743.71 = 4,571,440.02 : x
  2. Step 2: Convert to fraction form
    8,438,918.87/11,645,743.71 = 4,571,440.02/x
  3. Step 3: Cross multiply
    8,438,918.87x = 11,645,743.71 × 4,571,440.02
  4. Step 4: Simplify right side
    8,438,918.87x = 53,237,818,858,557.27
  5. Step 5: Solve for x
    x = 53,237,818,858,557.27/8,438,918.87
  6. Step 6: Final answer
    x = 6,308,606.55

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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.