Home / 6,920,166.71-9,547,912.44-3,979,823.51

Finding the Fourth Proportional to 6,920,166.71, 9,547,912.44 and 3,979,823.51

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Solution

The fourth proportional to 6,920,166.71, 9,547,912.44 and 3,979,823.51 is: 5,491,053.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920,166.71 : 9,547,912.44 = 3,979,823.51 : x
  2. Step 2: Convert to fraction form
    6,920,166.71/9,547,912.44 = 3,979,823.51/x
  3. Step 3: Cross multiply
    6,920,166.71x = 9,547,912.44 × 3,979,823.51
  4. Step 4: Simplify right side
    6,920,166.71x = 37,999,006,352,393.90
  5. Step 5: Solve for x
    x = 37,999,006,352,393.90/6,920,166.71
  6. Step 6: Final answer
    x = 5,491,053.61

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1.5x scale

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.