Finding the Fourth Proportional to 7,994,017.80, 11,991,026.70 and 6,594,337.80
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Solution
The fourth proportional to 7,994,017.80, 11,991,026.70 and 6,594,337.80 is: 9,891,506.70
Step by Step Solution
- Step 1: Write the proportion equation
7,994,017.80 : 11,991,026.70 = 6,594,337.80 : x - Step 2: Convert to fraction form
7,994,017.80/11,991,026.70 = 6,594,337.80/x - Step 3: Cross multiply
7,994,017.80x = 11,991,026.70 × 6,594,337.80 - Step 4: Simplify right side
7,994,017.80x = 79,072,880,628,619.25 - Step 5: Solve for x
x = 79,072,880,628,619.25/7,994,017.80 - Step 6: Final answer
x = 9,891,506.70
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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.