Finding the Fourth Proportional to 7,736,177.62, 11,606,081.64 and 7,607,647.63
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Solution
The fourth proportional to 7,736,177.62, 11,606,081.64 and 7,607,647.63 is: 11,413,256.50
Step by Step Solution
- Step 1: Write the proportion equation
7,736,177.62 : 11,606,081.64 = 7,607,647.63 : x - Step 2: Convert to fraction form
7,736,177.62/11,606,081.64 = 7,607,647.63/x - Step 3: Cross multiply
7,736,177.62x = 11,606,081.64 × 7,607,647.63 - Step 4: Simplify right side
7,736,177.62x = 88,294,979,482,132.52 - Step 5: Solve for x
x = 88,294,979,482,132.52/7,736,177.62 - Step 6: Final answer
x = 11,413,256.50
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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.