Home / 7,381,138.55-11,071,707.83-3,602,002.55

Finding the Fourth Proportional to 7,381,138.55, 11,071,707.83 and 3,602,002.55

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Solution

The fourth proportional to 7,381,138.55, 11,071,707.83 and 3,602,002.55 is: 5,403,003.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,138.55 : 11,071,707.83 = 3,602,002.55 : x
  2. Step 2: Convert to fraction form
    7,381,138.55/11,071,707.83 = 3,602,002.55/x
  3. Step 3: Cross multiply
    7,381,138.55x = 11,071,707.83 × 3,602,002.55
  4. Step 4: Simplify right side
    7,381,138.55x = 39,880,319,836,514.96
  5. Step 5: Solve for x
    x = 39,880,319,836,514.96/7,381,138.55
  6. Step 6: Final answer
    x = 5,403,003.83

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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.