Home / 7,661,630.40-11,492,445.60-2,613,105.60

Finding the Fourth Proportional to 7,661,630.40, 11,492,445.60 and 2,613,105.60

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Solution

The fourth proportional to 7,661,630.40, 11,492,445.60 and 2,613,105.60 is: 3,919,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661,630.40 : 11,492,445.60 = 2,613,105.60 : x
  2. Step 2: Convert to fraction form
    7,661,630.40/11,492,445.60 = 2,613,105.60/x
  3. Step 3: Cross multiply
    7,661,630.40x = 11,492,445.60 × 2,613,105.60
  4. Step 4: Simplify right side
    7,661,630.40x = 30,030,973,955,055.36
  5. Step 5: Solve for x
    x = 30,030,973,955,055.36/7,661,630.40
  6. Step 6: Final answer
    x = 3,919,658.40

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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.