Finding the Fourth Proportional to 13,875,372.48, 19,145,729.76 and 8,715,058.24
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Solution
The fourth proportional to 13,875,372.48, 19,145,729.76 and 8,715,058.24 is: 12,025,345.64
Step by Step Solution
- Step 1: Write the proportion equation
13,875,372.48 : 19,145,729.76 = 8,715,058.24 : x - Step 2: Convert to fraction form
13,875,372.48/19,145,729.76 = 8,715,058.24/x - Step 3: Cross multiply
13,875,372.48x = 19,145,729.76 × 8,715,058.24 - Step 4: Simplify right side
13,875,372.48x = 166,856,149,905,701.25 - Step 5: Solve for x
x = 166,856,149,905,701.25/13,875,372.48 - Step 6: Final answer
x = 12,025,345.64
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1.5x scale
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.