Finding the Fourth Proportional to 8,195,551.88, 11,299,347.59 and 6,720,023.99
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Solution
The fourth proportional to 8,195,551.88, 11,299,347.59 and 6,720,023.99 is: 9,265,012.05
Step by Step Solution
- Step 1: Write the proportion equation
8,195,551.88 : 11,299,347.59 = 6,720,023.99 : x - Step 2: Convert to fraction form
8,195,551.88/11,299,347.59 = 6,720,023.99/x - Step 3: Cross multiply
8,195,551.88x = 11,299,347.59 × 6,720,023.99 - Step 4: Simplify right side
8,195,551.88x = 75,931,886,870,796.94 - Step 5: Solve for x
x = 75,931,886,870,796.94/8,195,551.88 - Step 6: Final answer
x = 9,265,012.05
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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.