Finding the Fourth Proportional to 7,758,881.12, 10,707,588.16 and 4,321,122.14
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Solution
The fourth proportional to 7,758,881.12, 10,707,588.16 and 4,321,122.14 is: 5,963,333.57
Step by Step Solution
- Step 1: Write the proportion equation
7,758,881.12 : 10,707,588.16 = 4,321,122.14 : x - Step 2: Convert to fraction form
7,758,881.12/10,707,588.16 = 4,321,122.14/x - Step 3: Cross multiply
7,758,881.12x = 10,707,588.16 × 4,321,122.14 - Step 4: Simplify right side
7,758,881.12x = 46,268,796,264,177.86 - Step 5: Solve for x
x = 46,268,796,264,177.86/7,758,881.12 - Step 6: Final answer
x = 5,963,333.57
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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.