Finding the Fourth Proportional to 16,152,615.68, 22,290,609.71 and 8,810,448.44
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Solution
The fourth proportional to 16,152,615.68, 22,290,609.71 and 8,810,448.44 is: 12,158,418.88
Step by Step Solution
- Step 1: Write the proportion equation
16,152,615.68 : 22,290,609.71 = 8,810,448.44 : x - Step 2: Convert to fraction form
16,152,615.68/22,290,609.71 = 8,810,448.44/x - Step 3: Cross multiply
16,152,615.68x = 22,290,609.71 × 8,810,448.44 - Step 4: Simplify right side
16,152,615.68x = 196,390,267,456,691.44 - Step 5: Solve for x
x = 196,390,267,456,691.44/16,152,615.68 - Step 6: Final answer
x = 12,158,418.88
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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.