Finding the Fourth Proportional to 7,828,058.06, 11,726,806.28 and 5,393,467.34
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Solution
The fourth proportional to 7,828,058.06, 11,726,806.28 and 5,393,467.34 is: 8,079,672.66
Step by Step Solution
- Step 1: Write the proportion equation
7,828,058.06 : 11,726,806.28 = 5,393,467.34 : x - Step 2: Convert to fraction form
7,828,058.06/11,726,806.28 = 5,393,467.34/x - Step 3: Cross multiply
7,828,058.06x = 11,726,806.28 × 5,393,467.34 - Step 4: Simplify right side
7,828,058.06x = 63,248,146,673,686.89 - Step 5: Solve for x
x = 63,248,146,673,686.89/7,828,058.06 - Step 6: Final answer
x = 8,079,672.66
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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.