Finding the Fourth Proportional to 6,787,483.68, 9,366,486.48 and 3,731,675.68
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Solution
The fourth proportional to 6,787,483.68, 9,366,486.48 and 3,731,675.68 is: 5,149,579.94
Step by Step Solution
- Step 1: Write the proportion equation
6,787,483.68 : 9,366,486.48 = 3,731,675.68 : x - Step 2: Convert to fraction form
6,787,483.68/9,366,486.48 = 3,731,675.68/x - Step 3: Cross multiply
6,787,483.68x = 9,366,486.48 × 3,731,675.68 - Step 4: Simplify right side
6,787,483.68x = 34,952,689,804,464.81 - Step 5: Solve for x
x = 34,952,689,804,464.81/6,787,483.68 - Step 6: Final answer
x = 5,149,579.94
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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.