Finding the Fourth Proportional to 16,481,220.80, 24,732,328.80 and 9,657,780.80
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Solution
The fourth proportional to 16,481,220.80, 24,732,328.80 and 9,657,780.80 is: 14,492,822.66
Step by Step Solution
- Step 1: Write the proportion equation
16,481,220.80 : 24,732,328.80 = 9,657,780.80 : x - Step 2: Convert to fraction form
16,481,220.80/24,732,328.80 = 9,657,780.80/x - Step 3: Cross multiply
16,481,220.80x = 24,732,328.80 × 9,657,780.80 - Step 4: Simplify right side
16,481,220.80x = 238,859,410,223,927.06 - Step 5: Solve for x
x = 238,859,410,223,927.06/16,481,220.80 - Step 6: Final answer
x = 14,492,822.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.