Finding the Fourth Proportional to 15,838,216.40, 21,856,738.84 and 8,594,872.40
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Solution
The fourth proportional to 15,838,216.40, 21,856,738.84 and 8,594,872.40 is: 11,860,924.02
Step by Step Solution
- Step 1: Write the proportion equation
15,838,216.40 : 21,856,738.84 = 8,594,872.40 : x - Step 2: Convert to fraction form
15,838,216.40/21,856,738.84 = 8,594,872.40/x - Step 3: Cross multiply
15,838,216.40x = 21,856,738.84 × 8,594,872.40 - Step 4: Simplify right side
15,838,216.40x = 187,855,881,409,924.03 - Step 5: Solve for x
x = 187,855,881,409,924.03/15,838,216.40 - Step 6: Final answer
x = 11,860,924.02
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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.