Finding the Fourth Proportional to 21,119,582.19, 29,145,027.38 and 11,461,790.19
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Solution
The fourth proportional to 21,119,582.19, 29,145,027.38 and 11,461,790.19 is: 15,817,272.61
Step by Step Solution
- Step 1: Write the proportion equation
21,119,582.19 : 29,145,027.38 = 11,461,790.19 : x - Step 2: Convert to fraction form
21,119,582.19/29,145,027.38 = 11,461,790.19/x - Step 3: Cross multiply
21,119,582.19x = 29,145,027.38 × 11,461,790.19 - Step 4: Simplify right side
21,119,582.19x = 334,054,188,854,056.44 - Step 5: Solve for x
x = 334,054,188,854,056.44/21,119,582.19 - Step 6: Final answer
x = 15,817,272.61
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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.