Finding the Fourth Proportional to 19,247,941.48, 26,555,620.11 and 10,982,065.63
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Solution
The fourth proportional to 19,247,941.48, 26,555,620.11 and 10,982,065.63 is: 15,151,519.61
Step by Step Solution
- Step 1: Write the proportion equation
19,247,941.48 : 26,555,620.11 = 10,982,065.63 : x - Step 2: Convert to fraction form
19,247,941.48/26,555,620.11 = 10,982,065.63/x - Step 3: Cross multiply
19,247,941.48x = 26,555,620.11 × 10,982,065.63 - Step 4: Simplify right side
19,247,941.48x = 291,635,562,776,365.19 - Step 5: Solve for x
x = 291,635,562,776,365.19/19,247,941.48 - Step 6: Final answer
x = 15,151,519.61
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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.