Finding the Fourth Proportional to 8,230,535.28, 11,358,136.71 and 4,559,690.21
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Solution
The fourth proportional to 8,230,535.28, 11,358,136.71 and 4,559,690.21 is: 6,292,371.39
Step by Step Solution
- Step 1: Write the proportion equation
8,230,535.28 : 11,358,136.71 = 4,559,690.21 : x - Step 2: Convert to fraction form
8,230,535.28/11,358,136.71 = 4,559,690.21/x - Step 3: Cross multiply
8,230,535.28x = 11,358,136.71 × 4,559,690.21 - Step 4: Simplify right side
8,230,535.28x = 51,789,584,703,637.93 - Step 5: Solve for x
x = 51,789,584,703,637.93/8,230,535.28 - Step 6: Final answer
x = 6,292,371.39
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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.