Finding the Fourth Proportional to 28,440,813.17, 39,237,154.39 and 16,517,596.98
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Solution
The fourth proportional to 28,440,813.17, 39,237,154.39 and 16,517,596.98 is: 22,787,797.92
Step by Step Solution
- Step 1: Write the proportion equation
28,440,813.17 : 39,237,154.39 = 16,517,596.98 : x - Step 2: Convert to fraction form
28,440,813.17/39,237,154.39 = 16,517,596.98/x - Step 3: Cross multiply
28,440,813.17x = 39,237,154.39 × 16,517,596.98 - Step 4: Simplify right side
28,440,813.17x = 648,103,503,023,844.12 - Step 5: Solve for x
x = 648,103,503,023,844.12/28,440,813.17 - Step 6: Final answer
x = 22,787,797.92
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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.