Finding the Fourth Proportional to 7,242,255.68, 10,863,314.40 and 4,403,151.68
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Solution
The fourth proportional to 7,242,255.68, 10,863,314.40 and 4,403,151.68 is: 6,604,685.50
Step by Step Solution
- Step 1: Write the proportion equation
7,242,255.68 : 10,863,314.40 = 4,403,151.68 : x - Step 2: Convert to fraction form
7,242,255.68/10,863,314.40 = 4,403,151.68/x - Step 3: Cross multiply
7,242,255.68x = 10,863,314.40 × 4,403,151.68 - Step 4: Simplify right side
7,242,255.68x = 47,832,821,050,728.19 - Step 5: Solve for x
x = 47,832,821,050,728.19/7,242,255.68 - Step 6: Final answer
x = 6,604,685.50
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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.