Finding the Fourth Proportional to 19,800,328.26, 27,323,965.29 and 10,979,730.80
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Solution
The fourth proportional to 19,800,328.26, 27,323,965.29 and 10,979,730.80 is: 15,151,758.06
Step by Step Solution
- Step 1: Write the proportion equation
19,800,328.26 : 27,323,965.29 = 10,979,730.80 : x - Step 2: Convert to fraction form
19,800,328.26/27,323,965.29 = 10,979,730.80/x - Step 3: Cross multiply
19,800,328.26x = 27,323,965.29 × 10,979,730.80 - Step 4: Simplify right side
19,800,328.26x = 300,009,783,272,743.94 - Step 5: Solve for x
x = 300,009,783,272,743.94/19,800,328.26 - Step 6: Final answer
x = 15,151,758.06
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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.