Finding the Fourth Proportional to 10,276,993.80, 15,415,490.70 and 6,021,966.60
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Solution
The fourth proportional to 10,276,993.80, 15,415,490.70 and 6,021,966.60 is: 9,032,949.90
Step by Step Solution
- Step 1: Write the proportion equation
10,276,993.80 : 15,415,490.70 = 6,021,966.60 : x - Step 2: Convert to fraction form
10,276,993.80/15,415,490.70 = 6,021,966.60/x - Step 3: Cross multiply
10,276,993.80x = 15,415,490.70 × 6,021,966.60 - Step 4: Simplify right side
10,276,993.80x = 92,831,570,118,010.61 - Step 5: Solve for x
x = 92,831,570,118,010.61/10,276,993.80 - Step 6: Final answer
x = 9,032,949.90
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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.