Finding the Fourth Proportional to 10,529,726.49, 15,795,553.64 and 2,956,641.21
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Solution
The fourth proportional to 10,529,726.49, 15,795,553.64 and 2,956,641.21 is: 4,435,232.47
Step by Step Solution
- Step 1: Write the proportion equation
10,529,726.49 : 15,795,553.64 = 2,956,641.21 : x - Step 2: Convert to fraction form
10,529,726.49/15,795,553.64 = 2,956,641.21/x - Step 3: Cross multiply
10,529,726.49x = 15,795,553.64 × 2,956,641.21 - Step 4: Simplify right side
10,529,726.49x = 46,701,784,812,006.30 - Step 5: Solve for x
x = 46,701,784,812,006.30/10,529,726.49 - Step 6: Final answer
x = 4,435,232.47
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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.