Finding the Fourth Proportional to 7,229,046.18, 9,975,448.37 and 4,130,954.74
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Solution
The fourth proportional to 7,229,046.18, 9,975,448.37 and 4,130,954.74 is: 5,700,354.46
Step by Step Solution
- Step 1: Write the proportion equation
7,229,046.18 : 9,975,448.37 = 4,130,954.74 : x - Step 2: Convert to fraction form
7,229,046.18/9,975,448.37 = 4,130,954.74/x - Step 3: Cross multiply
7,229,046.18x = 9,975,448.37 × 4,130,954.74 - Step 4: Simplify right side
7,229,046.18x = 41,208,125,657,144.76 - Step 5: Solve for x
x = 41,208,125,657,144.76/7,229,046.18 - Step 6: Final answer
x = 5,700,354.46
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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.