Finding the Fourth Proportional to 48,515,957.24, 72,773,642.10 and 12,124,160.60
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Solution
The fourth proportional to 48,515,957.24, 72,773,642.10 and 12,124,160.60 is: 18,186,167.49
Step by Step Solution
- Step 1: Write the proportion equation
48,515,957.24 : 72,773,642.10 = 12,124,160.60 : x - Step 2: Convert to fraction form
48,515,957.24/72,773,642.10 = 12,124,160.60/x - Step 3: Cross multiply
48,515,957.24x = 72,773,642.10 × 12,124,160.60 - Step 4: Simplify right side
48,515,957.24x = 882,319,324,267,321.12 - Step 5: Solve for x
x = 882,319,324,267,321.12/48,515,957.24 - Step 6: Final answer
x = 18,186,167.49
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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.