Finding the Fourth Proportional to 8,897,969.80, 13,346,954.70 and 6,772,205.80
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Solution
The fourth proportional to 8,897,969.80, 13,346,954.70 and 6,772,205.80 is: 10,158,308.70
Step by Step Solution
- Step 1: Write the proportion equation
8,897,969.80 : 13,346,954.70 = 6,772,205.80 : x - Step 2: Convert to fraction form
8,897,969.80/13,346,954.70 = 6,772,205.80/x - Step 3: Cross multiply
8,897,969.80x = 13,346,954.70 × 6,772,205.80 - Step 4: Simplify right side
8,897,969.80x = 90,388,324,031,677.25 - Step 5: Solve for x
x = 90,388,324,031,677.25/8,897,969.80 - Step 6: Final answer
x = 10,158,308.70
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1.5x scale
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.