Finding the Fourth Proportional to 7,546,515.80, 11,319,773.70 and 5,656,947.80
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Solution
The fourth proportional to 7,546,515.80, 11,319,773.70 and 5,656,947.80 is: 8,485,421.70
Step by Step Solution
- Step 1: Write the proportion equation
7,546,515.80 : 11,319,773.70 = 5,656,947.80 : x - Step 2: Convert to fraction form
7,546,515.80/11,319,773.70 = 5,656,947.80/x - Step 3: Cross multiply
7,546,515.80x = 11,319,773.70 × 5,656,947.80 - Step 4: Simplify right side
7,546,515.80x = 64,035,368,928,712.85 - Step 5: Solve for x
x = 64,035,368,928,712.85/7,546,515.80 - Step 6: Final answer
x = 8,485,421.70
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1.5x scale
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.