Finding the Fourth Proportional to 10,366,247.74, 15,549,378.54 and 4,299,350.53
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Solution
The fourth proportional to 10,366,247.74, 15,549,378.54 and 4,299,350.53 is: 6,449,028.67
Step by Step Solution
- Step 1: Write the proportion equation
10,366,247.74 : 15,549,378.54 = 4,299,350.53 : x - Step 2: Convert to fraction form
10,366,247.74/15,549,378.54 = 4,299,350.53/x - Step 3: Cross multiply
10,366,247.74x = 15,549,378.54 × 4,299,350.53 - Step 4: Simplify right side
10,366,247.74x = 66,852,228,867,119.62 - Step 5: Solve for x
x = 66,852,228,867,119.62/10,366,247.74 - Step 6: Final answer
x = 6,449,028.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.