Finding the Fourth Proportional to 28,446,696.24, 39,256,440.93 and 15,393,955.38
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Solution
The fourth proportional to 28,446,696.24, 39,256,440.93 and 15,393,955.38 is: 21,243,658.49
Step by Step Solution
- Step 1: Write the proportion equation
28,446,696.24 : 39,256,440.93 = 15,393,955.38 : x - Step 2: Convert to fraction form
28,446,696.24/39,256,440.93 = 15,393,955.38/x - Step 3: Cross multiply
28,446,696.24x = 39,256,440.93 × 15,393,955.38 - Step 4: Simplify right side
28,446,696.24x = 604,311,900,054,025.75 - Step 5: Solve for x
x = 604,311,900,054,025.75/28,446,696.24 - Step 6: Final answer
x = 21,243,658.49
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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.