Home / 7,858,701.84-10,839,162.63-6,939,308.91

Finding the Fourth Proportional to 7,858,701.84, 10,839,162.63 and 6,939,308.91

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Solution

The fourth proportional to 7,858,701.84, 10,839,162.63 and 6,939,308.91 is: 9,571,084.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858,701.84 : 10,839,162.63 = 6,939,308.91 : x
  2. Step 2: Convert to fraction form
    7,858,701.84/10,839,162.63 = 6,939,308.91/x
  3. Step 3: Cross multiply
    7,858,701.84x = 10,839,162.63 × 6,939,308.91
  4. Step 4: Simplify right side
    7,858,701.84x = 75,216,297,815,298.05
  5. Step 5: Solve for x
    x = 75,216,297,815,298.05/7,858,701.84
  6. Step 6: Final answer
    x = 9,571,084.30

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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.