Finding the Fourth Proportional to 19,976,661.58, 27,586,421.85 and 14,703,438.10
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Solution
The fourth proportional to 19,976,661.58, 27,586,421.85 and 14,703,438.10 is: 20,304,456.00
Step by Step Solution
- Step 1: Write the proportion equation
19,976,661.58 : 27,586,421.85 = 14,703,438.10 : x - Step 2: Convert to fraction form
19,976,661.58/27,586,421.85 = 14,703,438.10/x - Step 3: Cross multiply
19,976,661.58x = 27,586,421.85 × 14,703,438.10 - Step 4: Simplify right side
19,976,661.58x = 405,615,246,071,962.50 - Step 5: Solve for x
x = 405,615,246,071,962.50/19,976,661.58 - Step 6: Final answer
x = 20,304,456.00
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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.