Finding the Fourth Proportional to 10,926,257.70, 16,408,048.95 and 7,156,452.90
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Solution
The fourth proportional to 10,926,257.70, 16,408,048.95 and 7,156,452.90 is: 10,746,902.80
Step by Step Solution
- Step 1: Write the proportion equation
10,926,257.70 : 16,408,048.95 = 7,156,452.90 : x - Step 2: Convert to fraction form
10,926,257.70/16,408,048.95 = 7,156,452.90/x - Step 3: Cross multiply
10,926,257.70x = 16,408,048.95 × 7,156,452.90 - Step 4: Simplify right side
10,926,257.70x = 117,423,429,491,569.45 - Step 5: Solve for x
x = 117,423,429,491,569.45/10,926,257.70 - Step 6: Final answer
x = 10,746,902.80
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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.