Finding the Fourth Proportional to 22,584,983.14, 31,167,560.49 and 12,271,878.46
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Solution
The fourth proportional to 22,584,983.14, 31,167,560.49 and 12,271,878.46 is: 16,935,346.46
Step by Step Solution
- Step 1: Write the proportion equation
22,584,983.14 : 31,167,560.49 = 12,271,878.46 : x - Step 2: Convert to fraction form
22,584,983.14/31,167,560.49 = 12,271,878.46/x - Step 3: Cross multiply
22,584,983.14x = 31,167,560.49 × 12,271,878.46 - Step 4: Simplify right side
22,584,983.14x = 382,484,514,227,978.06 - Step 5: Solve for x
x = 382,484,514,227,978.06/22,584,983.14 - Step 6: Final answer
x = 16,935,346.46
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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.