Finding the Fourth Proportional to 7,482,741.12, 10,319,296.32 and 4,903,485.12
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Solution
The fourth proportional to 7,482,741.12, 10,319,296.32 and 4,903,485.12 is: 6,762,296.75
Step by Step Solution
- Step 1: Write the proportion equation
7,482,741.12 : 10,319,296.32 = 4,903,485.12 : x - Step 2: Convert to fraction form
7,482,741.12/10,319,296.32 = 4,903,485.12/x - Step 3: Cross multiply
7,482,741.12x = 10,319,296.32 × 4,903,485.12 - Step 4: Simplify right side
7,482,741.12x = 50,600,515,953,990.76 - Step 5: Solve for x
x = 50,600,515,953,990.76/7,482,741.12 - Step 6: Final answer
x = 6,762,296.75
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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.