Finding the Fourth Proportional to 15,657,966.48, 23,481,312.84 and 5,420,044.56
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Solution
The fourth proportional to 15,657,966.48, 23,481,312.84 and 5,420,044.56 is: 8,128,115.62
Step by Step Solution
- Step 1: Write the proportion equation
15,657,966.48 : 23,481,312.84 = 5,420,044.56 : x - Step 2: Convert to fraction form
15,657,966.48/23,481,312.84 = 5,420,044.56/x - Step 3: Cross multiply
15,657,966.48x = 23,481,312.84 × 5,420,044.56 - Step 4: Simplify right side
15,657,966.48x = 127,269,761,920,100.14 - Step 5: Solve for x
x = 127,269,761,920,100.14/15,657,966.48 - Step 6: Final answer
x = 8,128,115.62
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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.