Finding the Fourth Proportional to 14,077,989.57, 19,427,625.60 and 7,639,461.57
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Solution
The fourth proportional to 14,077,989.57, 19,427,625.60 and 7,639,461.57 is: 10,542,456.96
Step by Step Solution
- Step 1: Write the proportion equation
14,077,989.57 : 19,427,625.60 = 7,639,461.57 : x - Step 2: Convert to fraction form
14,077,989.57/19,427,625.60 = 7,639,461.57/x - Step 3: Cross multiply
14,077,989.57x = 19,427,625.60 × 7,639,461.57 - Step 4: Simplify right side
14,077,989.57x = 148,416,599,167,548.22 - Step 5: Solve for x
x = 148,416,599,167,548.22/14,077,989.57 - Step 6: Final answer
x = 10,542,456.96
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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.