Finding the Fourth Proportional to 19,905,951.68, 29,863,450.86 and 6,074,147.77
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Solution
The fourth proportional to 19,905,951.68, 29,863,450.86 and 6,074,147.77 is: 9,112,601.92
Step by Step Solution
- Step 1: Write the proportion equation
19,905,951.68 : 29,863,450.86 = 6,074,147.77 : x - Step 2: Convert to fraction form
19,905,951.68/29,863,450.86 = 6,074,147.77/x - Step 3: Cross multiply
19,905,951.68x = 29,863,450.86 × 6,074,147.77 - Step 4: Simplify right side
19,905,951.68x = 181,395,013,445,773.56 - Step 5: Solve for x
x = 181,395,013,445,773.56/19,905,951.68 - Step 6: Final answer
x = 9,112,601.92
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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.