Finding the Fourth Proportional to 16,606,108.80, 24,909,940.80 and 5,247,446.40
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Solution
The fourth proportional to 16,606,108.80, 24,909,940.80 and 5,247,446.40 is: 7,871,415.32
Step by Step Solution
- Step 1: Write the proportion equation
16,606,108.80 : 24,909,940.80 = 5,247,446.40 : x - Step 2: Convert to fraction form
16,606,108.80/24,909,940.80 = 5,247,446.40/x - Step 3: Cross multiply
16,606,108.80x = 24,909,940.80 × 5,247,446.40 - Step 4: Simplify right side
16,606,108.80x = 130,713,579,175,173.14 - Step 5: Solve for x
x = 130,713,579,175,173.14/16,606,108.80 - Step 6: Final answer
x = 7,871,415.32
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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.