Home / 7,382,618.54-10,186,491.96-4,242,275.47

Finding the Fourth Proportional to 7,382,618.54, 10,186,491.96 and 4,242,275.47

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Solution

The fourth proportional to 7,382,618.54, 10,186,491.96 and 4,242,275.47 is: 5,853,465.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382,618.54 : 10,186,491.96 = 4,242,275.47 : x
  2. Step 2: Convert to fraction form
    7,382,618.54/10,186,491.96 = 4,242,275.47/x
  3. Step 3: Cross multiply
    7,382,618.54x = 10,186,491.96 × 4,242,275.47
  4. Step 4: Simplify right side
    7,382,618.54x = 43,213,904,979,993.34
  5. Step 5: Solve for x
    x = 43,213,904,979,993.34/7,382,618.54
  6. Step 6: Final answer
    x = 5,853,465.78

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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.