Home / 28,077,969.90-42,089,054.17-19,540,370.24

Finding the Fourth Proportional to 28,077,969.90, 42,089,054.17 and 19,540,370.24

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Solution

The fourth proportional to 28,077,969.90, 42,089,054.17 and 19,540,370.24 is: 29,291,138.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,077,969.90 : 42,089,054.17 = 19,540,370.24 : x
  2. Step 2: Convert to fraction form
    28,077,969.90/42,089,054.17 = 19,540,370.24/x
  3. Step 3: Cross multiply
    28,077,969.90x = 42,089,054.17 × 19,540,370.24
  4. Step 4: Simplify right side
    28,077,969.90x = 822,435,701,533,215.88
  5. Step 5: Solve for x
    x = 822,435,701,533,215.88/28,077,969.90
  6. Step 6: Final answer
    x = 29,291,138.37

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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.