Finding the Fourth Proportional to 15,521,743.20, 23,282,614.80 and 7,430,553.98
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Solution
The fourth proportional to 15,521,743.20, 23,282,614.80 and 7,430,553.98 is: 11,145,830.96
Step by Step Solution
- Step 1: Write the proportion equation
15,521,743.20 : 23,282,614.80 = 7,430,553.98 : x - Step 2: Convert to fraction form
15,521,743.20/23,282,614.80 = 7,430,553.98/x - Step 3: Cross multiply
15,521,743.20x = 23,282,614.80 × 7,430,553.98 - Step 4: Simplify right side
15,521,743.20x = 173,002,725,950,533.81 - Step 5: Solve for x
x = 173,002,725,950,533.81/15,521,743.20 - Step 6: Final answer
x = 11,145,830.96
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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.