Finding the Fourth Proportional to 10,731,448.68, 16,076,895.74 and 6,341,493.03
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Solution
The fourth proportional to 10,731,448.68, 16,076,895.74 and 6,341,493.03 is: 9,500,257.17
Step by Step Solution
- Step 1: Write the proportion equation
10,731,448.68 : 16,076,895.74 = 6,341,493.03 : x - Step 2: Convert to fraction form
10,731,448.68/16,076,895.74 = 6,341,493.03/x - Step 3: Cross multiply
10,731,448.68x = 16,076,895.74 × 6,341,493.03 - Step 4: Simplify right side
10,731,448.68x = 101,951,522,279,246.70 - Step 5: Solve for x
x = 101,951,522,279,246.70/10,731,448.68 - Step 6: Final answer
x = 9,500,257.17
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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.