Finding the Fourth Proportional to 16,623,133.60, 24,953,362.80 and 12,853,328.80
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Solution
The fourth proportional to 16,623,133.60, 24,953,362.80 and 12,853,328.80 is: 19,294,423.33
Step by Step Solution
- Step 1: Write the proportion equation
16,623,133.60 : 24,953,362.80 = 12,853,328.80 : x - Step 2: Convert to fraction form
16,623,133.60/24,953,362.80 = 12,853,328.80/x - Step 3: Cross multiply
16,623,133.60x = 24,953,362.80 × 12,853,328.80 - Step 4: Simplify right side
16,623,133.60x = 320,733,776,734,088.69 - Step 5: Solve for x
x = 320,733,776,734,088.69/16,623,133.60 - Step 6: Final answer
x = 19,294,423.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.