Finding the Fourth Proportional to 12,679,864.84, 17,498,213.49 and 7,247,473.48
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Solution
The fourth proportional to 12,679,864.84, 17,498,213.49 and 7,247,473.48 is: 10,001,513.41
Step by Step Solution
- Step 1: Write the proportion equation
12,679,864.84 : 17,498,213.49 = 7,247,473.48 : x - Step 2: Convert to fraction form
12,679,864.84/17,498,213.49 = 7,247,473.48/x - Step 3: Cross multiply
12,679,864.84x = 17,498,213.49 × 7,247,473.48 - Step 4: Simplify right side
12,679,864.84x = 126,817,838,216,153.23 - Step 5: Solve for x
x = 126,817,838,216,153.23/12,679,864.84 - Step 6: Final answer
x = 10,001,513.41
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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.