Finding the Fourth Proportional to 19,356,961.41, 29,055,619.44 and 8,581,829.31
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Solution
The fourth proportional to 19,356,961.41, 29,055,619.44 and 8,581,829.31 is: 12,881,689.50
Step by Step Solution
- Step 1: Write the proportion equation
19,356,961.41 : 29,055,619.44 = 8,581,829.31 : x - Step 2: Convert to fraction form
19,356,961.41/29,055,619.44 = 8,581,829.31/x - Step 3: Cross multiply
19,356,961.41x = 29,055,619.44 × 8,581,829.31 - Step 4: Simplify right side
19,356,961.41x = 249,350,366,530,397.81 - Step 5: Solve for x
x = 249,350,366,530,397.81/19,356,961.41 - Step 6: Final answer
x = 12,881,689.50
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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.