Finding the Fourth Proportional to 40,127,914.63, 55,376,847.66 and 21,793,331.35
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Solution
The fourth proportional to 40,127,914.63, 55,376,847.66 and 21,793,331.35 is: 30,074,974.02
Step by Step Solution
- Step 1: Write the proportion equation
40,127,914.63 : 55,376,847.66 = 21,793,331.35 : x - Step 2: Convert to fraction form
40,127,914.63/55,376,847.66 = 21,793,331.35/x - Step 3: Cross multiply
40,127,914.63x = 55,376,847.66 × 21,793,331.35 - Step 4: Simplify right side
40,127,914.63x = 1,206,845,990,172,852.25 - Step 5: Solve for x
x = 1,206,845,990,172,852.25/40,127,914.63 - Step 6: Final answer
x = 30,074,974.02
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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.