Finding the Fourth Proportional to 19,937,082.20, 27,513,197.98 and 10,769,724.95
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Solution
The fourth proportional to 19,937,082.20, 27,513,197.98 and 10,769,724.95 is: 14,862,233.68
Step by Step Solution
- Step 1: Write the proportion equation
19,937,082.20 : 27,513,197.98 = 10,769,724.95 : x - Step 2: Convert to fraction form
19,937,082.20/27,513,197.98 = 10,769,724.95/x - Step 3: Cross multiply
19,937,082.20x = 27,513,197.98 × 10,769,724.95 - Step 4: Simplify right side
19,937,082.20x = 296,309,574,575,005.31 - Step 5: Solve for x
x = 296,309,574,575,005.31/19,937,082.20 - Step 6: Final answer
x = 14,862,233.68
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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.