Finding the Fourth Proportional to 19,684,220.70, 29,557,823.85 and 14,897,315.10
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Solution
The fourth proportional to 19,684,220.70, 29,557,823.85 and 14,897,315.10 is: 22,369,806.88
Step by Step Solution
- Step 1: Write the proportion equation
19,684,220.70 : 29,557,823.85 = 14,897,315.10 : x - Step 2: Convert to fraction form
19,684,220.70/29,557,823.85 = 14,897,315.10/x - Step 3: Cross multiply
19,684,220.70x = 29,557,823.85 × 14,897,315.10 - Step 4: Simplify right side
19,684,220.70x = 440,332,215,563,745.12 - Step 5: Solve for x
x = 440,332,215,563,745.12/19,684,220.70 - Step 6: Final answer
x = 22,369,806.88
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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.