Finding the Fourth Proportional to 8,235,070.12, 11,364,397.84 and 4,564,223.68
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Solution
The fourth proportional to 8,235,070.12, 11,364,397.84 and 4,564,223.68 is: 6,298,629.27
Step by Step Solution
- Step 1: Write the proportion equation
8,235,070.12 : 11,364,397.84 = 4,564,223.68 : x - Step 2: Convert to fraction form
8,235,070.12/11,364,397.84 = 4,564,223.68/x - Step 3: Cross multiply
8,235,070.12x = 11,364,397.84 × 4,564,223.68 - Step 4: Simplify right side
8,235,070.12x = 51,869,653,730,268.84 - Step 5: Solve for x
x = 51,869,653,730,268.84/8,235,070.12 - Step 6: Final answer
x = 6,298,629.27
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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.