Finding the Fourth Proportional to 40,728,602.94, 56,205,416.07 and 23,330,580.54
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Solution
The fourth proportional to 40,728,602.94, 56,205,416.07 and 23,330,580.54 is: 32,196,169.07
Step by Step Solution
- Step 1: Write the proportion equation
40,728,602.94 : 56,205,416.07 = 23,330,580.54 : x - Step 2: Convert to fraction form
40,728,602.94/56,205,416.07 = 23,330,580.54/x - Step 3: Cross multiply
40,728,602.94x = 56,205,416.07 × 23,330,580.54 - Step 4: Simplify right side
40,728,602.94x = 1,311,304,986,405,345.25 - Step 5: Solve for x
x = 1,311,304,986,405,345.25/40,728,602.94 - Step 6: Final answer
x = 32,196,169.07
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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.