Finding the Fourth Proportional to 7,115,264.08, 9,818,996.08 and 3,851,995.12
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Solution
The fourth proportional to 7,115,264.08, 9,818,996.08 and 3,851,995.12 is: 5,315,716.26
Step by Step Solution
- Step 1: Write the proportion equation
7,115,264.08 : 9,818,996.08 = 3,851,995.12 : x - Step 2: Convert to fraction form
7,115,264.08/9,818,996.08 = 3,851,995.12/x - Step 3: Cross multiply
7,115,264.08x = 9,818,996.08 × 3,851,995.12 - Step 4: Simplify right side
7,115,264.08x = 37,822,724,983,459.13 - Step 5: Solve for x
x = 37,822,724,983,459.13/7,115,264.08 - Step 6: Final answer
x = 5,315,716.26
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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.