Finding the Fourth Proportional to 28,469,269.24, 39,290,401.74 and 16,247,954.68
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Solution
The fourth proportional to 28,469,269.24, 39,290,401.74 and 16,247,954.68 is: 22,423,781.29
Step by Step Solution
- Step 1: Write the proportion equation
28,469,269.24 : 39,290,401.74 = 16,247,954.68 : x - Step 2: Convert to fraction form
28,469,269.24/39,290,401.74 = 16,247,954.68/x - Step 3: Cross multiply
28,469,269.24x = 39,290,401.74 × 16,247,954.68 - Step 4: Simplify right side
28,469,269.24x = 638,388,666,830,513.12 - Step 5: Solve for x
x = 638,388,666,830,513.12/28,469,269.24 - Step 6: Final answer
x = 22,423,781.29
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.