Finding the Fourth Proportional to 19,948,582.46, 29,928,204.50 and 7,169,197.88
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Solution
The fourth proportional to 19,948,582.46, 29,928,204.50 and 7,169,197.88 is: 10,755,712.63
Step by Step Solution
- Step 1: Write the proportion equation
19,948,582.46 : 29,928,204.50 = 7,169,197.88 : x - Step 2: Convert to fraction form
19,948,582.46/29,928,204.50 = 7,169,197.88/x - Step 3: Cross multiply
19,948,582.46x = 29,928,204.50 × 7,169,197.88 - Step 4: Simplify right side
19,948,582.46x = 214,561,220,220,676.97 - Step 5: Solve for x
x = 214,561,220,220,676.97/19,948,582.46 - Step 6: Final answer
x = 10,755,712.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.