Finding the Fourth Proportional to 6,750,825.48, 9,316,197.76 and 3,961,618.28
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Solution
The fourth proportional to 6,750,825.48, 9,316,197.76 and 3,961,618.28 is: 5,467,067.61
Step by Step Solution
- Step 1: Write the proportion equation
6,750,825.48 : 9,316,197.76 = 3,961,618.28 : x - Step 2: Convert to fraction form
6,750,825.48/9,316,197.76 = 3,961,618.28/x - Step 3: Cross multiply
6,750,825.48x = 9,316,197.76 × 3,961,618.28 - Step 4: Simplify right side
6,750,825.48x = 36,907,219,346,111.05 - Step 5: Solve for x
x = 36,907,219,346,111.05/6,750,825.48 - Step 6: Final answer
x = 5,467,067.61
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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.