Finding the Fourth Proportional to 29,519,460.18, 40,737,120.21 and 16,289,225.55
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Solution
The fourth proportional to 29,519,460.18, 40,737,120.21 and 16,289,225.55 is: 22,479,277.58
Step by Step Solution
- Step 1: Write the proportion equation
29,519,460.18 : 40,737,120.21 = 16,289,225.55 : x - Step 2: Convert to fraction form
29,519,460.18/40,737,120.21 = 16,289,225.55/x - Step 3: Cross multiply
29,519,460.18x = 40,737,120.21 × 16,289,225.55 - Step 4: Simplify right side
29,519,460.18x = 663,576,139,358,153.38 - Step 5: Solve for x
x = 663,576,139,358,153.38/29,519,460.18 - Step 6: Final answer
x = 22,479,277.58
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1.5x scale
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.