Finding the Fourth Proportional to 17,751,303.80, 26,626,955.70 and 8,185,365.80
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Solution
The fourth proportional to 17,751,303.80, 26,626,955.70 and 8,185,365.80 is: 12,278,048.70
Step by Step Solution
- Step 1: Write the proportion equation
17,751,303.80 : 26,626,955.70 = 8,185,365.80 : x - Step 2: Convert to fraction form
17,751,303.80/26,626,955.70 = 8,185,365.80/x - Step 3: Cross multiply
17,751,303.80x = 26,626,955.70 × 8,185,365.80 - Step 4: Simplify right side
17,751,303.80x = 217,951,372,544,895.06 - Step 5: Solve for x
x = 217,951,372,544,895.06/17,751,303.80 - Step 6: Final answer
x = 12,278,048.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.