Home / 7,886,316.94-10,878,979.86-6,851,499.62

Finding the Fourth Proportional to 7,886,316.94, 10,878,979.86 and 6,851,499.62

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Solution

The fourth proportional to 7,886,316.94, 10,878,979.86 and 6,851,499.62 is: 9,451,474.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886,316.94 : 10,878,979.86 = 6,851,499.62 : x
  2. Step 2: Convert to fraction form
    7,886,316.94/10,878,979.86 = 6,851,499.62/x
  3. Step 3: Cross multiply
    7,886,316.94x = 10,878,979.86 × 6,851,499.62
  4. Step 4: Simplify right side
    7,886,316.94x = 74,537,326,322,382.75
  5. Step 5: Solve for x
    x = 74,537,326,322,382.75/7,886,316.94
  6. Step 6: Final answer
    x = 9,451,474.87

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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.