Finding the Fourth Proportional to 8,392,774.17, 11,580,993.45 and 5,294,128.08
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Solution
The fourth proportional to 8,392,774.17, 11,580,993.45 and 5,294,128.08 is: 7,305,243.94
Step by Step Solution
- Step 1: Write the proportion equation
8,392,774.17 : 11,580,993.45 = 5,294,128.08 : x - Step 2: Convert to fraction form
8,392,774.17/11,580,993.45 = 5,294,128.08/x - Step 3: Cross multiply
8,392,774.17x = 11,580,993.45 × 5,294,128.08 - Step 4: Simplify right side
8,392,774.17x = 61,311,262,617,941.07 - Step 5: Solve for x
x = 61,311,262,617,941.07/8,392,774.17 - Step 6: Final answer
x = 7,305,243.94
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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.