Finding the Fourth Proportional to 48,698,691.14, 67,202,907.50 and 27,790,349.04
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Solution
The fourth proportional to 48,698,691.14, 67,202,907.50 and 27,790,349.04 is: 38,349,947.65
Step by Step Solution
- Step 1: Write the proportion equation
48,698,691.14 : 67,202,907.50 = 27,790,349.04 : x - Step 2: Convert to fraction form
48,698,691.14/67,202,907.50 = 27,790,349.04/x - Step 3: Cross multiply
48,698,691.14x = 67,202,907.50 × 27,790,349.04 - Step 4: Simplify right side
48,698,691.14x = 1,867,592,255,997,309.50 - Step 5: Solve for x
x = 1,867,592,255,997,309.50/48,698,691.14 - Step 6: Final answer
x = 38,349,947.65
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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.