Home / 8,740,287.37-12,069,212.55-5,482,701.65

Finding the Fourth Proportional to 8,740,287.37, 12,069,212.55 and 5,482,701.65

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Solution

The fourth proportional to 8,740,287.37, 12,069,212.55 and 5,482,701.65 is: 7,570,905.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740,287.37 : 12,069,212.55 = 5,482,701.65 : x
  2. Step 2: Convert to fraction form
    8,740,287.37/12,069,212.55 = 5,482,701.65/x
  3. Step 3: Cross multiply
    8,740,287.37x = 12,069,212.55 × 5,482,701.65
  4. Step 4: Simplify right side
    8,740,287.37x = 66,171,891,562,085.72
  5. Step 5: Solve for x
    x = 66,171,891,562,085.72/8,740,287.37
  6. Step 6: Final answer
    x = 7,570,905.71

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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.