Finding the Fourth Proportional to 11,344,054.74, 15,656,119.14 and 6,450,010.20
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Solution
The fourth proportional to 11,344,054.74, 15,656,119.14 and 6,450,010.20 is: 8,901,766.65
Step by Step Solution
- Step 1: Write the proportion equation
11,344,054.74 : 15,656,119.14 = 6,450,010.20 : x - Step 2: Convert to fraction form
11,344,054.74/15,656,119.14 = 6,450,010.20/x - Step 3: Cross multiply
11,344,054.74x = 15,656,119.14 × 6,450,010.20 - Step 4: Simplify right side
11,344,054.74x = 100,982,128,145,415.23 - Step 5: Solve for x
x = 100,982,128,145,415.23/11,344,054.74 - Step 6: Final answer
x = 8,901,766.65
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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.