Finding the Fourth Proportional to 19,176,504.66, 26,455,149.87 and 11,734,521.12
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Solution
The fourth proportional to 19,176,504.66, 26,455,149.87 and 11,734,521.12 is: 16,188,482.75
Step by Step Solution
- Step 1: Write the proportion equation
19,176,504.66 : 26,455,149.87 = 11,734,521.12 : x - Step 2: Convert to fraction form
19,176,504.66/26,455,149.87 = 11,734,521.12/x - Step 3: Cross multiply
19,176,504.66x = 26,455,149.87 × 11,734,521.12 - Step 4: Simplify right side
19,176,504.66x = 310,438,514,882,280.25 - Step 5: Solve for x
x = 310,438,514,882,280.25/19,176,504.66 - Step 6: Final answer
x = 16,188,482.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.