Home / 7,148,842.62-9,870,153.60-5,492,039

Finding the Fourth Proportional to 7,148,842.62, 9,870,153.60 and 5,492,039

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Solution

The fourth proportional to 7,148,842.62, 9,870,153.60 and 5,492,039 is: 7,582,663.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148,842.62 : 9,870,153.60 = 5,492,039 : x
  2. Step 2: Convert to fraction form
    7,148,842.62/9,870,153.60 = 5,492,039/x
  3. Step 3: Cross multiply
    7,148,842.62x = 9,870,153.60 × 5,492,039
  4. Step 4: Simplify right side
    7,148,842.62x = 54,207,268,507,190.40
  5. Step 5: Solve for x
    x = 54,207,268,507,190.40/7,148,842.62
  6. Step 6: Final answer
    x = 7,582,663.57

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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.