Finding the Fourth Proportional to 9,619,526.75, 13,274,959.70 and 5,209,259.99
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Solution
The fourth proportional to 9,619,526.75, 13,274,959.70 and 5,209,259.99 is: 7,188,785.71
Step by Step Solution
- Step 1: Write the proportion equation
9,619,526.75 : 13,274,959.70 = 5,209,259.99 : x - Step 2: Convert to fraction form
9,619,526.75/13,274,959.70 = 5,209,259.99/x - Step 3: Cross multiply
9,619,526.75x = 13,274,959.70 × 5,209,259.99 - Step 4: Simplify right side
9,619,526.75x = 69,152,716,380,720.77 - Step 5: Solve for x
x = 69,152,716,380,720.77/9,619,526.75 - Step 6: Final answer
x = 7,188,785.71
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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.