Finding the Fourth Proportional to 51,569,116.24, 71,165,416.84 and 28,366,008.56
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Solution
The fourth proportional to 51,569,116.24, 71,165,416.84 and 28,366,008.56 is: 39,145,111.85
Step by Step Solution
- Step 1: Write the proportion equation
51,569,116.24 : 71,165,416.84 = 28,366,008.56 : x - Step 2: Convert to fraction form
51,569,116.24/71,165,416.84 = 28,366,008.56/x - Step 3: Cross multiply
51,569,116.24x = 71,165,416.84 × 28,366,008.56 - Step 4: Simplify right side
51,569,116.24x = 2,018,678,823,259,408.25 - Step 5: Solve for x
x = 2,018,678,823,259,408.25/51,569,116.24 - Step 6: Final answer
x = 39,145,111.85
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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.