Finding the Fourth Proportional to 9,642,259.16, 13,306,480.94 and 5,291,750.24
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Solution
The fourth proportional to 9,642,259.16, 13,306,480.94 and 5,291,750.24 is: 7,302,704.95
Step by Step Solution
- Step 1: Write the proportion equation
9,642,259.16 : 13,306,480.94 = 5,291,750.24 : x - Step 2: Convert to fraction form
9,642,259.16/13,306,480.94 = 5,291,750.24/x - Step 3: Cross multiply
9,642,259.16x = 13,306,480.94 × 5,291,750.24 - Step 4: Simplify right side
9,642,259.16x = 70,414,573,707,800.42 - Step 5: Solve for x
x = 70,414,573,707,800.42/9,642,259.16 - Step 6: Final answer
x = 7,302,704.95
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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.