Finding the Fourth Proportional to 19,426,980.28, 29,135,392.80 and 5,776,450.42
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Solution
The fourth proportional to 19,426,980.28, 29,135,392.80 and 5,776,450.42 is: 8,663,165.84
Step by Step Solution
- Step 1: Write the proportion equation
19,426,980.28 : 29,135,392.80 = 5,776,450.42 : x - Step 2: Convert to fraction form
19,426,980.28/29,135,392.80 = 5,776,450.42/x - Step 3: Cross multiply
19,426,980.28x = 29,135,392.80 × 5,776,450.42 - Step 4: Simplify right side
19,426,980.28x = 168,299,151,976,424.97 - Step 5: Solve for x
x = 168,299,151,976,424.97/19,426,980.28 - Step 6: Final answer
x = 8,663,165.84
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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.