Finding the Fourth Proportional to 12,732,747.63, 17,571,162.56 and 6,931,569.75
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Solution
The fourth proportional to 12,732,747.63, 17,571,162.56 and 6,931,569.75 is: 9,565,550.38
Step by Step Solution
- Step 1: Write the proportion equation
12,732,747.63 : 17,571,162.56 = 6,931,569.75 : x - Step 2: Convert to fraction form
12,732,747.63/17,571,162.56 = 6,931,569.75/x - Step 3: Cross multiply
12,732,747.63x = 17,571,162.56 × 6,931,569.75 - Step 4: Simplify right side
12,732,747.63x = 121,795,738,873,228.55 - Step 5: Solve for x
x = 121,795,738,873,228.55/12,732,747.63 - Step 6: Final answer
x = 9,565,550.38
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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.