Home / 18,907,365.54-28,355,099.40-6,124,904.58

Finding the Fourth Proportional to 18,907,365.54, 28,355,099.40 and 6,124,904.58

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Solution

The fourth proportional to 18,907,365.54, 28,355,099.40 and 6,124,904.58 is: 9,185,429.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,907,365.54 : 28,355,099.40 = 6,124,904.58 : x
  2. Step 2: Convert to fraction form
    18,907,365.54/28,355,099.40 = 6,124,904.58/x
  3. Step 3: Cross multiply
    18,907,365.54x = 28,355,099.40 × 6,124,904.58
  4. Step 4: Simplify right side
    18,907,365.54x = 173,672,278,181,415.25
  5. Step 5: Solve for x
    x = 173,672,278,181,415.25/18,907,365.54
  6. Step 6: Final answer
    x = 9,185,429.76

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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.