Finding the Fourth Proportional to 28,545,225.16, 39,382,762.26 and 16,313,369.80
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Solution
The fourth proportional to 28,545,225.16, 39,382,762.26 and 16,313,369.80 is: 22,506,936.31
Step by Step Solution
- Step 1: Write the proportion equation
28,545,225.16 : 39,382,762.26 = 16,313,369.80 : x - Step 2: Convert to fraction form
28,545,225.16/39,382,762.26 = 16,313,369.80/x - Step 3: Cross multiply
28,545,225.16x = 39,382,762.26 × 16,313,369.80 - Step 4: Simplify right side
28,545,225.16x = 642,465,564,492,863.75 - Step 5: Solve for x
x = 642,465,564,492,863.75/28,545,225.16 - Step 6: Final answer
x = 22,506,936.31
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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.