Home / 18,696,667-28,046,606.22-6,565,087.72

Finding the Fourth Proportional to 18,696,667, 28,046,606.22 and 6,565,087.72

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Solution

The fourth proportional to 18,696,667, 28,046,606.22 and 6,565,087.72 is: 9,848,195.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696,667 : 28,046,606.22 = 6,565,087.72 : x
  2. Step 2: Convert to fraction form
    18,696,667/28,046,606.22 = 6,565,087.72/x
  3. Step 3: Cross multiply
    18,696,667x = 28,046,606.22 × 6,565,087.72
  4. Step 4: Simplify right side
    18,696,667x = 184,128,430,082,597.59
  5. Step 5: Solve for x
    x = 184,128,430,082,597.59/18,696,667
  6. Step 6: Final answer
    x = 9,848,195.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.