Home / 6,854,729.67-10,220,811.37-6,666,400.26

Finding the Fourth Proportional to 6,854,729.67, 10,220,811.37 and 6,666,400.26

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Solution

The fourth proportional to 6,854,729.67, 10,220,811.37 and 6,666,400.26 is: 9,940,000.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,854,729.67 : 10,220,811.37 = 6,666,400.26 : x
  2. Step 2: Convert to fraction form
    6,854,729.67/10,220,811.37 = 6,666,400.26/x
  3. Step 3: Cross multiply
    6,854,729.67x = 10,220,811.37 × 6,666,400.26
  4. Step 4: Simplify right side
    6,854,729.67x = 68,136,019,557,712.95
  5. Step 5: Solve for x
    x = 68,136,019,557,712.95/6,854,729.67
  6. Step 6: Final answer
    x = 9,940,000.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.