Home / 19,193,681.54-28,790,521.77-6,414,185.90

Finding the Fourth Proportional to 19,193,681.54, 28,790,521.77 and 6,414,185.90

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Solution

The fourth proportional to 19,193,681.54, 28,790,521.77 and 6,414,185.90 is: 9,621,278.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,193,681.54 : 28,790,521.77 = 6,414,185.90 : x
  2. Step 2: Convert to fraction form
    19,193,681.54/28,790,521.77 = 6,414,185.90/x
  3. Step 3: Cross multiply
    19,193,681.54x = 28,790,521.77 × 6,414,185.90
  4. Step 4: Simplify right side
    19,193,681.54x = 184,667,758,790,777.06
  5. Step 5: Solve for x
    x = 184,667,758,790,777.06/19,193,681.54
  6. Step 6: Final answer
    x = 9,621,278.67

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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.