Finding the Fourth Proportional to 12,733,990.19, 19,088,977.84 and 6,338,196.17
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Solution
The fourth proportional to 12,733,990.19, 19,088,977.84 and 6,338,196.17 is: 9,501,317.69
Step by Step Solution
- Step 1: Write the proportion equation
12,733,990.19 : 19,088,977.84 = 6,338,196.17 : x - Step 2: Convert to fraction form
12,733,990.19/19,088,977.84 = 6,338,196.17/x - Step 3: Cross multiply
12,733,990.19x = 19,088,977.84 × 6,338,196.17 - Step 4: Simplify right side
12,733,990.19x = 120,989,686,234,702.88 - Step 5: Solve for x
x = 120,989,686,234,702.88/12,733,990.19 - Step 6: Final answer
x = 9,501,317.69
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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.