Finding the Fourth Proportional to 19,542,027.20, 29,313,040.80 and 8,181,291.20
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Solution
The fourth proportional to 19,542,027.20, 29,313,040.80 and 8,181,291.20 is: 12,271,936.80
Step by Step Solution
- Step 1: Write the proportion equation
19,542,027.20 : 29,313,040.80 = 8,181,291.20 : x - Step 2: Convert to fraction form
19,542,027.20/29,313,040.80 = 8,181,291.20/x - Step 3: Cross multiply
19,542,027.20x = 29,313,040.80 × 8,181,291.20 - Step 4: Simplify right side
19,542,027.20x = 239,818,522,742,280.97 - Step 5: Solve for x
x = 239,818,522,742,280.97/19,542,027.20 - Step 6: Final answer
x = 12,271,936.80
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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.