Finding the Fourth Proportional to 9,195,420.80, 13,793,131.20 and 2,464,515.20
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Solution
The fourth proportional to 9,195,420.80, 13,793,131.20 and 2,464,515.20 is: 3,696,772.80
Step by Step Solution
- Step 1: Write the proportion equation
9,195,420.80 : 13,793,131.20 = 2,464,515.20 : x - Step 2: Convert to fraction form
9,195,420.80/13,793,131.20 = 2,464,515.20/x - Step 3: Cross multiply
9,195,420.80x = 13,793,131.20 × 2,464,515.20 - Step 4: Simplify right side
9,195,420.80x = 33,993,381,497,994.24 - Step 5: Solve for x
x = 33,993,381,497,994.24/9,195,420.80 - Step 6: Final answer
x = 3,696,772.80
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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.