Home / 11,238,046.60-16,819,745.10-7,878,814.60

Finding the Fourth Proportional to 11,238,046.60, 16,819,745.10 and 7,878,814.60

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Solution

The fourth proportional to 11,238,046.60, 16,819,745.10 and 7,878,814.60 is: 11,792,054.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238,046.60 : 16,819,745.10 = 7,878,814.60 : x
  2. Step 2: Convert to fraction form
    11,238,046.60/16,819,745.10 = 7,878,814.60/x
  3. Step 3: Cross multiply
    11,238,046.60x = 16,819,745.10 × 7,878,814.60
  4. Step 4: Simplify right side
    11,238,046.60x = 132,519,653,262,158.47
  5. Step 5: Solve for x
    x = 132,519,653,262,158.47/11,238,046.60
  6. Step 6: Final answer
    x = 11,792,054.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.