Finding the Fourth Proportional to 11,302,878.48, 15,597,497.68 and 6,408,429.92
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Solution
The fourth proportional to 11,302,878.48, 15,597,497.68 and 6,408,429.92 is: 8,843,364.19
Step by Step Solution
- Step 1: Write the proportion equation
11,302,878.48 : 15,597,497.68 = 6,408,429.92 : x - Step 2: Convert to fraction form
11,302,878.48/15,597,497.68 = 6,408,429.92/x - Step 3: Cross multiply
11,302,878.48x = 15,597,497.68 × 6,408,429.92 - Step 4: Simplify right side
11,302,878.48x = 99,955,470,809,642.58 - Step 5: Solve for x
x = 99,955,470,809,642.58/11,302,878.48 - Step 6: Final answer
x = 8,843,364.19
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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.