Finding the Fourth Proportional to 18,490,380.33, 27,739,353.40 and 6,358,268.17
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Solution
The fourth proportional to 18,490,380.33, 27,739,353.40 and 6,358,268.17 is: 9,538,703.08
Step by Step Solution
- Step 1: Write the proportion equation
18,490,380.33 : 27,739,353.40 = 6,358,268.17 : x - Step 2: Convert to fraction form
18,490,380.33/27,739,353.40 = 6,358,268.17/x - Step 3: Cross multiply
18,490,380.33x = 27,739,353.40 × 6,358,268.17 - Step 4: Simplify right side
18,490,380.33x = 176,374,247,779,601.28 - Step 5: Solve for x
x = 176,374,247,779,601.28/18,490,380.33 - Step 6: Final answer
x = 9,538,703.08
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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.