Finding the Fourth Proportional to 19,897,321.84, 29,845,982.44 and 5,520,391.92
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Solution
The fourth proportional to 19,897,321.84, 29,845,982.44 and 5,520,391.92 is: 8,280,587.79
Step by Step Solution
- Step 1: Write the proportion equation
19,897,321.84 : 29,845,982.44 = 5,520,391.92 : x - Step 2: Convert to fraction form
19,897,321.84/29,845,982.44 = 5,520,391.92/x - Step 3: Cross multiply
19,897,321.84x = 29,845,982.44 × 5,520,391.92 - Step 4: Simplify right side
19,897,321.84x = 164,761,520,306,237.88 - Step 5: Solve for x
x = 164,761,520,306,237.88/19,897,321.84 - Step 6: Final answer
x = 8,280,587.79
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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.