Finding the Fourth Proportional to 9,193,316.40, 13,768,979.40 and 5,414,180.40
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Solution
The fourth proportional to 9,193,316.40, 13,768,979.40 and 5,414,180.40 is: 8,108,905.99
Step by Step Solution
- Step 1: Write the proportion equation
9,193,316.40 : 13,768,979.40 = 5,414,180.40 : x - Step 2: Convert to fraction form
9,193,316.40/13,768,979.40 = 5,414,180.40/x - Step 3: Cross multiply
9,193,316.40x = 13,768,979.40 × 5,414,180.40 - Step 4: Simplify right side
9,193,316.40x = 74,547,738,395,483.77 - Step 5: Solve for x
x = 74,547,738,395,483.77/9,193,316.40 - Step 6: Final answer
x = 8,108,905.99
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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.