Finding the Fourth Proportional to 27,153,761.51, 37,471,927.43 and 14,763,854.76
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Solution
The fourth proportional to 27,153,761.51, 37,471,927.43 and 14,763,854.76 is: 20,373,976.33
Step by Step Solution
- Step 1: Write the proportion equation
27,153,761.51 : 37,471,927.43 = 14,763,854.76 : x - Step 2: Convert to fraction form
27,153,761.51/37,471,927.43 = 14,763,854.76/x - Step 3: Cross multiply
27,153,761.51x = 37,471,927.43 × 14,763,854.76 - Step 4: Simplify right side
27,153,761.51x = 553,230,094,079,960.75 - Step 5: Solve for x
x = 553,230,094,079,960.75/27,153,761.51 - Step 6: Final answer
x = 20,373,976.33
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1.5x scale
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.