Finding the Fourth Proportional to 19,983,023.55, 27,573,637.46 and 11,161,387.80
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Solution
The fourth proportional to 19,983,023.55, 27,573,637.46 and 11,161,387.80 is: 15,401,075.82
Step by Step Solution
- Step 1: Write the proportion equation
19,983,023.55 : 27,573,637.46 = 11,161,387.80 : x - Step 2: Convert to fraction form
19,983,023.55/27,573,637.46 = 11,161,387.80/x - Step 3: Cross multiply
19,983,023.55x = 27,573,637.46 × 11,161,387.80 - Step 4: Simplify right side
19,983,023.55x = 307,760,060,775,570.44 - Step 5: Solve for x
x = 307,760,060,775,570.44/19,983,023.55 - Step 6: Final answer
x = 15,401,075.82
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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.