Home / 19,328,629.20-28,992,943.80-8,540,376.90

Finding the Fourth Proportional to 19,328,629.20, 28,992,943.80 and 8,540,376.90

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Solution

The fourth proportional to 19,328,629.20, 28,992,943.80 and 8,540,376.90 is: 12,810,565.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,328,629.20 : 28,992,943.80 = 8,540,376.90 : x
  2. Step 2: Convert to fraction form
    19,328,629.20/28,992,943.80 = 8,540,376.90/x
  3. Step 3: Cross multiply
    19,328,629.20x = 28,992,943.80 × 8,540,376.90
  4. Step 4: Simplify right side
    19,328,629.20x = 247,610,667,492,518.25
  5. Step 5: Solve for x
    x = 247,610,667,492,518.25/19,328,629.20
  6. Step 6: Final answer
    x = 12,810,565.35

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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.