Finding the Fourth Proportional to 13,101,894.24, 18,081,959.52 and 7,876,594.08
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Solution
The fourth proportional to 13,101,894.24, 18,081,959.52 and 7,876,594.08 is: 10,870,508.70
Step by Step Solution
- Step 1: Write the proportion equation
13,101,894.24 : 18,081,959.52 = 7,876,594.08 : x - Step 2: Convert to fraction form
13,101,894.24/18,081,959.52 = 7,876,594.08/x - Step 3: Cross multiply
13,101,894.24x = 18,081,959.52 × 7,876,594.08 - Step 4: Simplify right side
13,101,894.24x = 142,424,255,310,031.62 - Step 5: Solve for x
x = 142,424,255,310,031.62/13,101,894.24 - Step 6: Final answer
x = 10,870,508.70
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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.