Finding the Fourth Proportional to 11,465,879.99, 15,822,436.52 and 6,238,908.68
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Solution
The fourth proportional to 11,465,879.99, 15,822,436.52 and 6,238,908.68 is: 8,609,433.95
Step by Step Solution
- Step 1: Write the proportion equation
11,465,879.99 : 15,822,436.52 = 6,238,908.68 : x - Step 2: Convert to fraction form
11,465,879.99/15,822,436.52 = 6,238,908.68/x - Step 3: Cross multiply
11,465,879.99x = 15,822,436.52 × 6,238,908.68 - Step 4: Simplify right side
11,465,879.99x = 98,714,736,433,070.27 - Step 5: Solve for x
x = 98,714,736,433,070.27/11,465,879.99 - Step 6: Final answer
x = 8,609,433.95
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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.