Finding the Fourth Proportional to 10,852,207.56, 16,269,785.99 and 7,430,142.59
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Solution
The fourth proportional to 10,852,207.56, 16,269,785.99 and 7,430,142.59 is: 11,139,376.86
Step by Step Solution
- Step 1: Write the proportion equation
10,852,207.56 : 16,269,785.99 = 7,430,142.59 : x - Step 2: Convert to fraction form
10,852,207.56/16,269,785.99 = 7,430,142.59/x - Step 3: Cross multiply
10,852,207.56x = 16,269,785.99 × 7,430,142.59 - Step 4: Simplify right side
10,852,207.56x = 120,886,829,814,484.31 - Step 5: Solve for x
x = 120,886,829,814,484.31/10,852,207.56 - Step 6: Final answer
x = 11,139,376.86
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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.