Finding the Fourth Proportional to 11,555,179.74, 15,946,138.10 and 6,398,541.14
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Solution
The fourth proportional to 11,555,179.74, 15,946,138.10 and 6,398,541.14 is: 8,829,981.26
Step by Step Solution
- Step 1: Write the proportion equation
11,555,179.74 : 15,946,138.10 = 6,398,541.14 : x - Step 2: Convert to fraction form
11,555,179.74/15,946,138.10 = 6,398,541.14/x - Step 3: Cross multiply
11,555,179.74x = 15,946,138.10 × 6,398,541.14 - Step 4: Simplify right side
11,555,179.74x = 102,032,020,593,237.09 - Step 5: Solve for x
x = 102,032,020,593,237.09/11,555,179.74 - Step 6: Final answer
x = 8,829,981.26
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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.