Finding the Fourth Proportional to 19,541,268.68, 26,970,178.74 and 10,842,240.20
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Solution
The fourth proportional to 19,541,268.68, 26,970,178.74 and 10,842,240.20 is: 14,964,082.47
Step by Step Solution
- Step 1: Write the proportion equation
19,541,268.68 : 26,970,178.74 = 10,842,240.20 : x - Step 2: Convert to fraction form
19,541,268.68/26,970,178.74 = 10,842,240.20/x - Step 3: Cross multiply
19,541,268.68x = 26,970,178.74 × 10,842,240.20 - Step 4: Simplify right side
19,541,268.68x = 292,417,156,136,013.31 - Step 5: Solve for x
x = 292,417,156,136,013.31/19,541,268.68 - Step 6: Final answer
x = 14,964,082.47
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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.