Finding the Fourth Proportional to 18,468,030.30, 27,705,022.11 and 5,688,529.08
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Solution
The fourth proportional to 18,468,030.30, 27,705,022.11 and 5,688,529.08 is: 8,533,710.49
Step by Step Solution
- Step 1: Write the proportion equation
18,468,030.30 : 27,705,022.11 = 5,688,529.08 : x - Step 2: Convert to fraction form
18,468,030.30/27,705,022.11 = 5,688,529.08/x - Step 3: Cross multiply
18,468,030.30x = 27,705,022.11 × 5,688,529.08 - Step 4: Simplify right side
18,468,030.30x = 157,600,823,934,777.97 - Step 5: Solve for x
x = 157,600,823,934,777.97/18,468,030.30 - Step 6: Final answer
x = 8,533,710.49
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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.