Finding the Fourth Proportional to 22,554,769.57, 31,125,880.61 and 12,241,616.29
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Solution
The fourth proportional to 22,554,769.57, 31,125,880.61 and 12,241,616.29 is: 16,893,592.55
Step by Step Solution
- Step 1: Write the proportion equation
22,554,769.57 : 31,125,880.61 = 12,241,616.29 : x - Step 2: Convert to fraction form
22,554,769.57/31,125,880.61 = 12,241,616.29/x - Step 3: Cross multiply
22,554,769.57x = 31,125,880.61 × 12,241,616.29 - Step 4: Simplify right side
22,554,769.57x = 381,031,087,115,971.12 - Step 5: Solve for x
x = 381,031,087,115,971.12/22,554,769.57 - Step 6: Final answer
x = 16,893,592.55
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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.