Finding the Fourth Proportional to 30,127,194.65, 41,580,073.64 and 18,373,282.09
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Solution
The fourth proportional to 30,127,194.65, 41,580,073.64 and 18,373,282.09 is: 25,357,901.09
Step by Step Solution
- Step 1: Write the proportion equation
30,127,194.65 : 41,580,073.64 = 18,373,282.09 : x - Step 2: Convert to fraction form
30,127,194.65/41,580,073.64 = 18,373,282.09/x - Step 3: Cross multiply
30,127,194.65x = 41,580,073.64 × 18,373,282.09 - Step 4: Simplify right side
30,127,194.65x = 763,962,422,252,676 - Step 5: Solve for x
x = 763,962,422,252,676/30,127,194.65 - Step 6: Final answer
x = 25,357,901.09
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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.