Home / 9,790,011.39-13,509,423.77-5,660,307.54

Finding the Fourth Proportional to 9,790,011.39, 13,509,423.77 and 5,660,307.54

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Solution

The fourth proportional to 9,790,011.39, 13,509,423.77 and 5,660,307.54 is: 7,810,766.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,790,011.39 : 13,509,423.77 = 5,660,307.54 : x
  2. Step 2: Convert to fraction form
    9,790,011.39/13,509,423.77 = 5,660,307.54/x
  3. Step 3: Cross multiply
    9,790,011.39x = 13,509,423.77 × 5,660,307.54
  4. Step 4: Simplify right side
    9,790,011.39x = 76,467,493,198,084.69
  5. Step 5: Solve for x
    x = 76,467,493,198,084.69/9,790,011.39
  6. Step 6: Final answer
    x = 7,810,766.52

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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.