Finding the Fourth Proportional to 17,387,988.10, 26,081,982.15 and 14,574,631.30
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Solution
The fourth proportional to 17,387,988.10, 26,081,982.15 and 14,574,631.30 is: 21,861,946.95
Step by Step Solution
- Step 1: Write the proportion equation
17,387,988.10 : 26,081,982.15 = 14,574,631.30 : x - Step 2: Convert to fraction form
17,387,988.10/26,081,982.15 = 14,574,631.30/x - Step 3: Cross multiply
17,387,988.10x = 26,081,982.15 × 14,574,631.30 - Step 4: Simplify right side
17,387,988.10x = 380,135,273,409,431.31 - Step 5: Solve for x
x = 380,135,273,409,431.31/17,387,988.10 - Step 6: Final answer
x = 21,861,946.95
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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.