Finding the Fourth Proportional to 19,980,439.34, 27,572,952.02 and 10,813,082.09
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Solution
The fourth proportional to 19,980,439.34, 27,572,952.02 and 10,813,082.09 is: 14,922,023.91
Step by Step Solution
- Step 1: Write the proportion equation
19,980,439.34 : 27,572,952.02 = 10,813,082.09 : x - Step 2: Convert to fraction form
19,980,439.34/27,572,952.02 = 10,813,082.09/x - Step 3: Cross multiply
19,980,439.34x = 27,572,952.02 × 10,813,082.09 - Step 4: Simplify right side
19,980,439.34x = 298,148,593,463,961.19 - Step 5: Solve for x
x = 298,148,593,463,961.19/19,980,439.34 - Step 6: Final answer
x = 14,922,023.91
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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.