Home / 7,890,564.64-10,847,179-6,783,919.08

Finding the Fourth Proportional to 7,890,564.64, 10,847,179 and 6,783,919.08

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Solution

The fourth proportional to 7,890,564.64, 10,847,179 and 6,783,919.08 is: 9,325,870.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890,564.64 : 10,847,179 = 6,783,919.08 : x
  2. Step 2: Convert to fraction form
    7,890,564.64/10,847,179 = 6,783,919.08/x
  3. Step 3: Cross multiply
    7,890,564.64x = 10,847,179 × 6,783,919.08
  4. Step 4: Simplify right side
    7,890,564.64x = 73,586,384,582,275.33
  5. Step 5: Solve for x
    x = 73,586,384,582,275.33/7,890,564.64
  6. Step 6: Final answer
    x = 9,325,870.57

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.