Finding the Fourth Proportional to 19,643,338.24, 27,108,418.70 and 11,272,240.96
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Solution
The fourth proportional to 19,643,338.24, 27,108,418.70 and 11,272,240.96 is: 15,556,043.68
Step by Step Solution
- Step 1: Write the proportion equation
19,643,338.24 : 27,108,418.70 = 11,272,240.96 : x - Step 2: Convert to fraction form
19,643,338.24/27,108,418.70 = 11,272,240.96/x - Step 3: Cross multiply
19,643,338.24x = 27,108,418.70 × 11,272,240.96 - Step 4: Simplify right side
19,643,338.24x = 305,572,627,630,969.94 - Step 5: Solve for x
x = 305,572,627,630,969.94/19,643,338.24 - Step 6: Final answer
x = 15,556,043.68
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.