Finding the Fourth Proportional to 13,609,146.24, 18,780,042.24 and 7,803,895.68
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Solution
The fourth proportional to 13,609,146.24, 18,780,042.24 and 7,803,895.68 is: 10,769,043.69
Step by Step Solution
- Step 1: Write the proportion equation
13,609,146.24 : 18,780,042.24 = 7,803,895.68 : x - Step 2: Convert to fraction form
13,609,146.24/18,780,042.24 = 7,803,895.68/x - Step 3: Cross multiply
13,609,146.24x = 18,780,042.24 × 7,803,895.68 - Step 4: Simplify right side
13,609,146.24x = 146,557,490,506,953.50 - Step 5: Solve for x
x = 146,557,490,506,953.50/13,609,146.24 - Step 6: Final answer
x = 10,769,043.69
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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.