Home / 7,479,170.09-10,322,074.86-4,340,125.25

Finding the Fourth Proportional to 7,479,170.09, 10,322,074.86 and 4,340,125.25

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Solution

The fourth proportional to 7,479,170.09, 10,322,074.86 and 4,340,125.25 is: 5,989,848.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479,170.09 : 10,322,074.86 = 4,340,125.25 : x
  2. Step 2: Convert to fraction form
    7,479,170.09/10,322,074.86 = 4,340,125.25/x
  3. Step 3: Cross multiply
    7,479,170.09x = 10,322,074.86 × 4,340,125.25
  4. Step 4: Simplify right side
    7,479,170.09x = 44,799,097,732,276.21
  5. Step 5: Solve for x
    x = 44,799,097,732,276.21/7,479,170.09
  6. Step 6: Final answer
    x = 5,989,848.77

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Double scale
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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.