Finding the Fourth Proportional to 9,027,065.52, 13,446,775.98 and 8,538,130.08
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Solution
The fourth proportional to 9,027,065.52, 13,446,775.98 and 8,538,130.08 is: 12,718,454.54
Step by Step Solution
- Step 1: Write the proportion equation
9,027,065.52 : 13,446,775.98 = 8,538,130.08 : x - Step 2: Convert to fraction form
9,027,065.52/13,446,775.98 = 8,538,130.08/x - Step 3: Cross multiply
9,027,065.52x = 13,446,775.98 × 8,538,130.08 - Step 4: Simplify right side
9,027,065.52x = 114,810,322,473,859.48 - Step 5: Solve for x
x = 114,810,322,473,859.48/9,027,065.52 - Step 6: Final answer
x = 12,718,454.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.