Finding the Fourth Proportional to 10,935,992.40, 16,403,988.60 and 4,558,700.40
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Solution
The fourth proportional to 10,935,992.40, 16,403,988.60 and 4,558,700.40 is: 6,838,050.60
Step by Step Solution
- Step 1: Write the proportion equation
10,935,992.40 : 16,403,988.60 = 4,558,700.40 : x - Step 2: Convert to fraction form
10,935,992.40/16,403,988.60 = 4,558,700.40/x - Step 3: Cross multiply
10,935,992.40x = 16,403,988.60 × 4,558,700.40 - Step 4: Simplify right side
10,935,992.40x = 74,780,869,392,415.44 - Step 5: Solve for x
x = 74,780,869,392,415.44/10,935,992.40 - Step 6: Final answer
x = 6,838,050.60
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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.