Home / 8,690,295.60-11,992,880.52-5,019,143.40

Finding the Fourth Proportional to 8,690,295.60, 11,992,880.52 and 5,019,143.40

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Solution

The fourth proportional to 8,690,295.60, 11,992,880.52 and 5,019,143.40 is: 6,926,575.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690,295.60 : 11,992,880.52 = 5,019,143.40 : x
  2. Step 2: Convert to fraction form
    8,690,295.60/11,992,880.52 = 5,019,143.40/x
  3. Step 3: Cross multiply
    8,690,295.60x = 11,992,880.52 × 5,019,143.40
  4. Step 4: Simplify right side
    8,690,295.60x = 60,193,987,108,946.57
  5. Step 5: Solve for x
    x = 60,193,987,108,946.57/8,690,295.60
  6. Step 6: Final answer
    x = 6,926,575.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.