Finding the Fourth Proportional to 11,124,612.36, 16,689,521.07 and 3,447,855.99
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Solution
The fourth proportional to 11,124,612.36, 16,689,521.07 and 3,447,855.99 is: 5,172,590.59
Step by Step Solution
- Step 1: Write the proportion equation
11,124,612.36 : 16,689,521.07 = 3,447,855.99 : x - Step 2: Convert to fraction form
11,124,612.36/16,689,521.07 = 3,447,855.99/x - Step 3: Cross multiply
11,124,612.36x = 16,689,521.07 × 3,447,855.99 - Step 4: Simplify right side
11,124,612.36x = 57,543,065,191,430.71 - Step 5: Solve for x
x = 57,543,065,191,430.71/11,124,612.36 - Step 6: Final answer
x = 5,172,590.59
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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.