Home / 7,858,691.33-10,839,148.16-6,939,298.40

Finding the Fourth Proportional to 7,858,691.33, 10,839,148.16 and 6,939,298.40

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Solution

The fourth proportional to 7,858,691.33, 10,839,148.16 and 6,939,298.40 is: 9,571,069.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858,691.33 : 10,839,148.16 = 6,939,298.40 : x
  2. Step 2: Convert to fraction form
    7,858,691.33/10,839,148.16 = 6,939,298.40/x
  3. Step 3: Cross multiply
    7,858,691.33x = 10,839,148.16 × 6,939,298.40
  4. Step 4: Simplify right side
    7,858,691.33x = 75,216,083,395,158.70
  5. Step 5: Solve for x
    x = 75,216,083,395,158.70/7,858,691.33
  6. Step 6: Final answer
    x = 9,571,069.82

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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.