Finding the Fourth Proportional to 15,600,254.40, 21,529,441.44 and 8,725,371.84
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Solution
The fourth proportional to 15,600,254.40, 21,529,441.44 and 8,725,371.84 is: 12,041,622.99
Step by Step Solution
- Step 1: Write the proportion equation
15,600,254.40 : 21,529,441.44 = 8,725,371.84 : x - Step 2: Convert to fraction form
15,600,254.40/21,529,441.44 = 8,725,371.84/x - Step 3: Cross multiply
15,600,254.40x = 21,529,441.44 × 8,725,371.84 - Step 4: Simplify right side
15,600,254.40x = 187,852,382,071,505.06 - Step 5: Solve for x
x = 187,852,382,071,505.06/15,600,254.40 - Step 6: Final answer
x = 12,041,622.99
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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.