Finding the Fourth Proportional to 19,674,952.70, 29,472,904.38 and 9,797,257.49
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Solution
The fourth proportional to 19,674,952.70, 29,472,904.38 and 9,797,257.49 is: 14,676,204.69
Step by Step Solution
- Step 1: Write the proportion equation
19,674,952.70 : 29,472,904.38 = 9,797,257.49 : x - Step 2: Convert to fraction form
19,674,952.70/29,472,904.38 = 9,797,257.49/x - Step 3: Cross multiply
19,674,952.70x = 29,472,904.38 × 9,797,257.49 - Step 4: Simplify right side
19,674,952.70x = 288,753,633,189,008.81 - Step 5: Solve for x
x = 288,753,633,189,008.81/19,674,952.70 - Step 6: Final answer
x = 14,676,204.69
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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.