Finding the Fourth Proportional to 39,451,936.37, 54,445,353.62 and 22,048,281.09
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Solution
The fourth proportional to 39,451,936.37, 54,445,353.62 and 22,048,281.09 is: 30,427,567.60
Step by Step Solution
- Step 1: Write the proportion equation
39,451,936.37 : 54,445,353.62 = 22,048,281.09 : x - Step 2: Convert to fraction form
39,451,936.37/54,445,353.62 = 22,048,281.09/x - Step 3: Cross multiply
39,451,936.37x = 54,445,353.62 × 22,048,281.09 - Step 4: Simplify right side
39,451,936.37x = 1,200,426,460,547,967.75 - Step 5: Solve for x
x = 1,200,426,460,547,967.75/39,451,936.37 - Step 6: Final answer
x = 30,427,567.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.