Home / 6,826,853.40-9,421,343.76-3,926,246.25

Finding the Fourth Proportional to 6,826,853.40, 9,421,343.76 and 3,926,246.25

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Solution

The fourth proportional to 6,826,853.40, 9,421,343.76 and 3,926,246.25 is: 5,418,384.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,826,853.40 : 9,421,343.76 = 3,926,246.25 : x
  2. Step 2: Convert to fraction form
    6,826,853.40/9,421,343.76 = 3,926,246.25/x
  3. Step 3: Cross multiply
    6,826,853.40x = 9,421,343.76 × 3,926,246.25
  4. Step 4: Simplify right side
    6,826,853.40x = 36,990,515,607,660.90
  5. Step 5: Solve for x
    x = 36,990,515,607,660.90/6,826,853.40
  6. Step 6: Final answer
    x = 5,418,384.35

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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.