Finding the Fourth Proportional to 16,226,780.64, 22,392,953.34 and 8,884,611.84
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Solution
The fourth proportional to 16,226,780.64, 22,392,953.34 and 8,884,611.84 is: 12,260,762.18
Step by Step Solution
- Step 1: Write the proportion equation
16,226,780.64 : 22,392,953.34 = 8,884,611.84 : x - Step 2: Convert to fraction form
16,226,780.64/22,392,953.34 = 8,884,611.84/x - Step 3: Cross multiply
16,226,780.64x = 22,392,953.34 × 8,884,611.84 - Step 4: Simplify right side
16,226,780.64x = 198,952,698,389,800.06 - Step 5: Solve for x
x = 198,952,698,389,800.06/16,226,780.64 - Step 6: Final answer
x = 12,260,762.18
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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.