Home / 13,413,746.40-20,120,619.60-4,892,975.70

Finding the Fourth Proportional to 13,413,746.40, 20,120,619.60 and 4,892,975.70

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Solution

The fourth proportional to 13,413,746.40, 20,120,619.60 and 4,892,975.70 is: 7,339,463.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413,746.40 : 20,120,619.60 = 4,892,975.70 : x
  2. Step 2: Convert to fraction form
    13,413,746.40/20,120,619.60 = 4,892,975.70/x
  3. Step 3: Cross multiply
    13,413,746.40x = 20,120,619.60 × 4,892,975.70
  4. Step 4: Simplify right side
    13,413,746.40x = 98,449,702,771,743.73
  5. Step 5: Solve for x
    x = 98,449,702,771,743.73/13,413,746.40
  6. Step 6: Final answer
    x = 7,339,463.55

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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.