Finding the Fourth Proportional to 16,525,946.22, 22,781,769.74 and 11,548,935.30
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Solution
The fourth proportional to 16,525,946.22, 22,781,769.74 and 11,548,935.30 is: 15,920,733.45
Step by Step Solution
- Step 1: Write the proportion equation
16,525,946.22 : 22,781,769.74 = 11,548,935.30 : x - Step 2: Convert to fraction form
16,525,946.22/22,781,769.74 = 11,548,935.30/x - Step 3: Cross multiply
16,525,946.22x = 22,781,769.74 × 11,548,935.30 - Step 4: Simplify right side
16,525,946.22x = 263,105,184,746,757.81 - Step 5: Solve for x
x = 263,105,184,746,757.81/16,525,946.22 - Step 6: Final answer
x = 15,920,733.45
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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.