Finding the Fourth Proportional to 19,650,824.83, 27,118,249.36 and 11,395,788.48
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Solution
The fourth proportional to 19,650,824.83, 27,118,249.36 and 11,395,788.48 is: 15,726,252.52
Step by Step Solution
- Step 1: Write the proportion equation
19,650,824.83 : 27,118,249.36 = 11,395,788.48 : x - Step 2: Convert to fraction form
19,650,824.83/27,118,249.36 = 11,395,788.48/x - Step 3: Cross multiply
19,650,824.83x = 27,118,249.36 × 11,395,788.48 - Step 4: Simplify right side
19,650,824.83x = 309,033,833,461,885.19 - Step 5: Solve for x
x = 309,033,833,461,885.19/19,650,824.83 - Step 6: Final answer
x = 15,726,252.52
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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.