Finding the Fourth Proportional to 19,230,143.69, 26,537,586.12 and 10,528,314.01
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Solution
The fourth proportional to 19,230,143.69, 26,537,586.12 and 10,528,314.01 is: 14,529,066.66
Step by Step Solution
- Step 1: Write the proportion equation
19,230,143.69 : 26,537,586.12 = 10,528,314.01 : x - Step 2: Convert to fraction form
19,230,143.69/26,537,586.12 = 10,528,314.01/x - Step 3: Cross multiply
19,230,143.69x = 26,537,586.12 × 10,528,314.01 - Step 4: Simplify right side
19,230,143.69x = 279,396,039,672,433.59 - Step 5: Solve for x
x = 279,396,039,672,433.59/19,230,143.69 - Step 6: Final answer
x = 14,529,066.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.