Finding the Fourth Proportional to 15,802,192.09, 21,808,794.84 and 8,927,117.02
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Solution
The fourth proportional to 15,802,192.09, 21,808,794.84 and 8,927,117.02 is: 12,320,421.27
Step by Step Solution
- Step 1: Write the proportion equation
15,802,192.09 : 21,808,794.84 = 8,927,117.02 : x - Step 2: Convert to fraction form
15,802,192.09/21,808,794.84 = 8,927,117.02/x - Step 3: Cross multiply
15,802,192.09x = 21,808,794.84 × 8,927,117.02 - Step 4: Simplify right side
15,802,192.09x = 194,689,663,601,852.16 - Step 5: Solve for x
x = 194,689,663,601,852.16/15,802,192.09 - Step 6: Final answer
x = 12,320,421.27
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1.5x scale
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.