Finding the Fourth Proportional to 16,292,813.84, 22,481,583.72 and 9,415,967.84
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Solution
The fourth proportional to 16,292,813.84, 22,481,583.72 and 9,415,967.84 is: 12,992,591.17
Step by Step Solution
- Step 1: Write the proportion equation
16,292,813.84 : 22,481,583.72 = 9,415,967.84 : x - Step 2: Convert to fraction form
16,292,813.84/22,481,583.72 = 9,415,967.84/x - Step 3: Cross multiply
16,292,813.84x = 22,481,583.72 × 9,415,967.84 - Step 4: Simplify right side
16,292,813.84x = 211,685,869,299,787.56 - Step 5: Solve for x
x = 211,685,869,299,787.56/16,292,813.84 - Step 6: Final answer
x = 12,992,591.17
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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.