Finding the Fourth Proportional to 8,831,201.80, 13,246,802.70 and 6,918,014.20
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Solution
The fourth proportional to 8,831,201.80, 13,246,802.70 and 6,918,014.20 is: 10,377,021.30
Step by Step Solution
- Step 1: Write the proportion equation
8,831,201.80 : 13,246,802.70 = 6,918,014.20 : x - Step 2: Convert to fraction form
8,831,201.80/13,246,802.70 = 6,918,014.20/x - Step 3: Cross multiply
8,831,201.80x = 13,246,802.70 × 6,918,014.20 - Step 4: Simplify right side
8,831,201.80x = 91,641,569,183,198.34 - Step 5: Solve for x
x = 91,641,569,183,198.34/8,831,201.80 - Step 6: Final answer
x = 10,377,021.30
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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.