Finding the Fourth Proportional to 14,344,239.24, 19,794,472.65 and 7,817,728.23
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Solution
The fourth proportional to 14,344,239.24, 19,794,472.65 and 7,817,728.23 is: 10,788,150.21
Step by Step Solution
- Step 1: Write the proportion equation
14,344,239.24 : 19,794,472.65 = 7,817,728.23 : x - Step 2: Convert to fraction form
14,344,239.24/19,794,472.65 = 7,817,728.23/x - Step 3: Cross multiply
14,344,239.24x = 19,794,472.65 × 7,817,728.23 - Step 4: Simplify right side
14,344,239.24x = 154,747,807,633,867.91 - Step 5: Solve for x
x = 154,747,807,633,867.91/14,344,239.24 - Step 6: Final answer
x = 10,788,150.21
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1.5x scale
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.