Finding the Fourth Proportional to 8,118,036.12, 11,195,161.86 and 4,854,332.28
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Solution
The fourth proportional to 8,118,036.12, 11,195,161.86 and 4,854,332.28 is: 6,694,357.45
Step by Step Solution
- Step 1: Write the proportion equation
8,118,036.12 : 11,195,161.86 = 4,854,332.28 : x - Step 2: Convert to fraction form
8,118,036.12/11,195,161.86 = 4,854,332.28/x - Step 3: Cross multiply
8,118,036.12x = 11,195,161.86 × 4,854,332.28 - Step 4: Simplify right side
8,118,036.12x = 54,345,035,596,822.84 - Step 5: Solve for x
x = 54,345,035,596,822.84/8,118,036.12 - Step 6: Final answer
x = 6,694,357.45
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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.