Home / 18,725,710.32-28,089,537.48-5,947,215.12

Finding the Fourth Proportional to 18,725,710.32, 28,089,537.48 and 5,947,215.12

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Solution

The fourth proportional to 18,725,710.32, 28,089,537.48 and 5,947,215.12 is: 8,921,131.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725,710.32 : 28,089,537.48 = 5,947,215.12 : x
  2. Step 2: Convert to fraction form
    18,725,710.32/28,089,537.48 = 5,947,215.12/x
  3. Step 3: Cross multiply
    18,725,710.32x = 28,089,537.48 × 5,947,215.12
  4. Step 4: Simplify right side
    18,725,710.32x = 167,054,522,014,862.72
  5. Step 5: Solve for x
    x = 167,054,522,014,862.72/18,725,710.32
  6. Step 6: Final answer
    x = 8,921,131.38

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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.