Finding the Fourth Proportional to 41,299,976.36, 56,995,348.20 and 22,715,900.12
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Solution
The fourth proportional to 41,299,976.36, 56,995,348.20 and 22,715,900.12 is: 31,348,701.65
Step by Step Solution
- Step 1: Write the proportion equation
41,299,976.36 : 56,995,348.20 = 22,715,900.12 : x - Step 2: Convert to fraction form
41,299,976.36/56,995,348.20 = 22,715,900.12/x - Step 3: Cross multiply
41,299,976.36x = 56,995,348.20 × 22,715,900.12 - Step 4: Simplify right side
41,299,976.36x = 1,294,700,637,015,822 - Step 5: Solve for x
x = 1,294,700,637,015,822/41,299,976.36 - Step 6: Final answer
x = 31,348,701.65
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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.