Finding the Fourth Proportional to 12,709,441.08, 17,539,049.88 and 6,908,208.12
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Solution
The fourth proportional to 12,709,441.08, 17,539,049.88 and 6,908,208.12 is: 9,533,338.72
Step by Step Solution
- Step 1: Write the proportion equation
12,709,441.08 : 17,539,049.88 = 6,908,208.12 : x - Step 2: Convert to fraction form
12,709,441.08/17,539,049.88 = 6,908,208.12/x - Step 3: Cross multiply
12,709,441.08x = 17,539,049.88 × 6,908,208.12 - Step 4: Simplify right side
12,709,441.08x = 121,163,406,798,101.02 - Step 5: Solve for x
x = 121,163,406,798,101.02/12,709,441.08 - Step 6: Final answer
x = 9,533,338.72
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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.