Home / 6,231,842.40-9,347,763.60-5,168,085.60

Finding the Fourth Proportional to 6,231,842.40, 9,347,763.60 and 5,168,085.60

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Solution

The fourth proportional to 6,231,842.40, 9,347,763.60 and 5,168,085.60 is: 7,752,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231,842.40 : 9,347,763.60 = 5,168,085.60 : x
  2. Step 2: Convert to fraction form
    6,231,842.40/9,347,763.60 = 5,168,085.60/x
  3. Step 3: Cross multiply
    6,231,842.40x = 9,347,763.60 × 5,168,085.60
  4. Step 4: Simplify right side
    6,231,842.40x = 48,310,042,453,364.16
  5. Step 5: Solve for x
    x = 48,310,042,453,364.16/6,231,842.40
  6. Step 6: Final answer
    x = 7,752,128.40

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Similar ratio
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1.5x scale

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.