Finding the Fourth Proportional to 7,640,124.90, 11,458,941.48 and 2,247,514.17
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Solution
The fourth proportional to 7,640,124.90, 11,458,941.48 and 2,247,514.17 is: 3,370,904.75
Step by Step Solution
- Step 1: Write the proportion equation
7,640,124.90 : 11,458,941.48 = 2,247,514.17 : x - Step 2: Convert to fraction form
7,640,124.90/11,458,941.48 = 2,247,514.17/x - Step 3: Cross multiply
7,640,124.90x = 11,458,941.48 × 2,247,514.17 - Step 4: Simplify right side
7,640,124.90x = 25,754,133,349,500.77 - Step 5: Solve for x
x = 25,754,133,349,500.77/7,640,124.90 - Step 6: Final answer
x = 3,370,904.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.