Finding the Fourth Proportional to 19,260,859.43, 26,556,743.61 and 16,642,631.63
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Solution
The fourth proportional to 19,260,859.43, 26,556,743.61 and 16,642,631.63 is: 22,946,748.70
Step by Step Solution
- Step 1: Write the proportion equation
19,260,859.43 : 26,556,743.61 = 16,642,631.63 : x - Step 2: Convert to fraction form
19,260,859.43/26,556,743.61 = 16,642,631.63/x - Step 3: Cross multiply
19,260,859.43x = 26,556,743.61 × 16,642,631.63 - Step 4: Simplify right side
19,260,859.43x = 441,974,101,060,802.69 - Step 5: Solve for x
x = 441,974,101,060,802.69/19,260,859.43 - Step 6: Final answer
x = 22,946,748.70
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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.