Finding the Fourth Proportional to 11,290,909.76, 15,578,022.75 and 6,395,354.00
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Solution
The fourth proportional to 11,290,909.76, 15,578,022.75 and 6,395,354.00 is: 8,823,644.17
Step by Step Solution
- Step 1: Write the proportion equation
11,290,909.76 : 15,578,022.75 = 6,395,354.00 : x - Step 2: Convert to fraction form
11,290,909.76/15,578,022.75 = 6,395,354.00/x - Step 3: Cross multiply
11,290,909.76x = 15,578,022.75 × 6,395,354.00 - Step 4: Simplify right side
11,290,909.76x = 99,626,970,062,848.39 - Step 5: Solve for x
x = 99,626,970,062,848.39/11,290,909.76 - Step 6: Final answer
x = 8,823,644.17
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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.