Finding the Fourth Proportional to 19,751,192.16, 29,599,888.08 and 11,119,409.76
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Solution
The fourth proportional to 19,751,192.16, 29,599,888.08 and 11,119,409.76 is: 16,663,970.55
Step by Step Solution
- Step 1: Write the proportion equation
19,751,192.16 : 29,599,888.08 = 11,119,409.76 : x - Step 2: Convert to fraction form
19,751,192.16/29,599,888.08 = 11,119,409.76/x - Step 3: Cross multiply
19,751,192.16x = 29,599,888.08 × 11,119,409.76 - Step 4: Simplify right side
19,751,192.16x = 329,133,284,411,659.62 - Step 5: Solve for x
x = 329,133,284,411,659.62/19,751,192.16 - Step 6: Final answer
x = 16,663,970.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.