Finding the Fourth Proportional to 16,236,666.96, 22,405,638.33 and 8,893,038.07
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Solution
The fourth proportional to 16,236,666.96, 22,405,638.33 and 8,893,038.07 is: 12,271,865.60
Step by Step Solution
- Step 1: Write the proportion equation
16,236,666.96 : 22,405,638.33 = 8,893,038.07 : x - Step 2: Convert to fraction form
16,236,666.96/22,405,638.33 = 8,893,038.07/x - Step 3: Cross multiply
16,236,666.96x = 22,405,638.33 × 8,893,038.07 - Step 4: Simplify right side
16,236,666.96x = 199,254,194,651,341.22 - Step 5: Solve for x
x = 199,254,194,651,341.22/16,236,666.96 - Step 6: Final answer
x = 12,271,865.60
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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.