Finding the Fourth Proportional to 7,563,465.12, 10,437,648.48 and 4,125,721.44
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Solution
The fourth proportional to 7,563,465.12, 10,437,648.48 and 4,125,721.44 is: 5,693,531.92
Step by Step Solution
- Step 1: Write the proportion equation
7,563,465.12 : 10,437,648.48 = 4,125,721.44 : x - Step 2: Convert to fraction form
7,563,465.12/10,437,648.48 = 4,125,721.44/x - Step 3: Cross multiply
7,563,465.12x = 10,437,648.48 × 4,125,721.44 - Step 4: Simplify right side
7,563,465.12x = 43,062,830,117,119.41 - Step 5: Solve for x
x = 43,062,830,117,119.41/7,563,465.12 - Step 6: Final answer
x = 5,693,531.92
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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.