Home / 19,089,305.36-28,638,443.08-6,309,810.48

Finding the Fourth Proportional to 19,089,305.36, 28,638,443.08 and 6,309,810.48

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Solution

The fourth proportional to 19,089,305.36, 28,638,443.08 and 6,309,810.48 is: 9,466,198.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089,305.36 : 28,638,443.08 = 6,309,810.48 : x
  2. Step 2: Convert to fraction form
    19,089,305.36/28,638,443.08 = 6,309,810.48/x
  3. Step 3: Cross multiply
    19,089,305.36x = 28,638,443.08 × 6,309,810.48
  4. Step 4: Simplify right side
    19,089,305.36x = 180,703,148,277,067.47
  5. Step 5: Solve for x
    x = 180,703,148,277,067.47/19,089,305.36
  6. Step 6: Final answer
    x = 9,466,198.21

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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.