Home / 19,193,474.02-28,790,211.03-6,413,978.72

Finding the Fourth Proportional to 19,193,474.02, 28,790,211.03 and 6,413,978.72

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Solution

The fourth proportional to 19,193,474.02, 28,790,211.03 and 6,413,978.72 is: 9,620,968.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,193,474.02 : 28,790,211.03 = 6,413,978.72 : x
  2. Step 2: Convert to fraction form
    19,193,474.02/28,790,211.03 = 6,413,978.72/x
  3. Step 3: Cross multiply
    19,193,474.02x = 28,790,211.03 × 6,413,978.72
  4. Step 4: Simplify right side
    19,193,474.02x = 184,659,800,890,729.28
  5. Step 5: Solve for x
    x = 184,659,800,890,729.28/19,193,474.02
  6. Step 6: Final answer
    x = 9,620,968.08

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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.