Finding the Fourth Proportional to 28,440,813.13, 39,237,154.36 and 16,517,596.94
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Solution
The fourth proportional to 28,440,813.13, 39,237,154.36 and 16,517,596.94 is: 22,787,797.87
Step by Step Solution
- Step 1: Write the proportion equation
28,440,813.13 : 39,237,154.36 = 16,517,596.94 : x - Step 2: Convert to fraction form
28,440,813.13/39,237,154.36 = 16,517,596.94/x - Step 3: Cross multiply
28,440,813.13x = 39,237,154.36 × 16,517,596.94 - Step 4: Simplify right side
28,440,813.13x = 648,103,500,791,043.62 - Step 5: Solve for x
x = 648,103,500,791,043.62/28,440,813.13 - Step 6: Final answer
x = 22,787,797.87
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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.