Finding the Fourth Proportional to 27,917,129.65, 41,875,709.06 and 8,749,379.56
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Solution
The fourth proportional to 27,917,129.65, 41,875,709.06 and 8,749,379.56 is: 13,124,073.91
Step by Step Solution
- Step 1: Write the proportion equation
27,917,129.65 : 41,875,709.06 = 8,749,379.56 : x - Step 2: Convert to fraction form
27,917,129.65/41,875,709.06 = 8,749,379.56/x - Step 3: Cross multiply
27,917,129.65x = 41,875,709.06 × 8,749,379.56 - Step 4: Simplify right side
27,917,129.65x = 366,386,472,866,323.94 - Step 5: Solve for x
x = 366,386,472,866,323.94/27,917,129.65 - Step 6: Final answer
x = 13,124,073.91
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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.