Finding the Fourth Proportional to 15,470,694.04, 21,348,306.12 and 8,944,742.20
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Solution
The fourth proportional to 15,470,694.04, 21,348,306.12 and 8,944,742.20 is: 12,343,020.56
Step by Step Solution
- Step 1: Write the proportion equation
15,470,694.04 : 21,348,306.12 = 8,944,742.20 : x - Step 2: Convert to fraction form
15,470,694.04/21,348,306.12 = 8,944,742.20/x - Step 3: Cross multiply
15,470,694.04x = 21,348,306.12 × 8,944,742.20 - Step 4: Simplify right side
15,470,694.04x = 190,955,094,650,082.25 - Step 5: Solve for x
x = 190,955,094,650,082.25/15,470,694.04 - Step 6: Final answer
x = 12,343,020.56
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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.