Finding the Fourth Proportional to 8,149,690.12, 11,246,875.86 and 4,887,036.04
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Solution
The fourth proportional to 8,149,690.12, 11,246,875.86 and 4,887,036.04 is: 6,744,291.73
Step by Step Solution
- Step 1: Write the proportion equation
8,149,690.12 : 11,246,875.86 = 4,887,036.04 : x - Step 2: Convert to fraction form
8,149,690.12/11,246,875.86 = 4,887,036.04/x - Step 3: Cross multiply
8,149,690.12x = 11,246,875.86 × 4,887,036.04 - Step 4: Simplify right side
8,149,690.12x = 54,963,887,665,225.99 - Step 5: Solve for x
x = 54,963,887,665,225.99/8,149,690.12 - Step 6: Final answer
x = 6,744,291.73
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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.