Finding the Fourth Proportional to 8,876,811.60, 13,303,446 and 4,558,687.20
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Solution
The fourth proportional to 8,876,811.60, 13,303,446 and 4,558,687.20 is: 6,831,985.60
Step by Step Solution
- Step 1: Write the proportion equation
8,876,811.60 : 13,303,446 = 4,558,687.20 : x - Step 2: Convert to fraction form
8,876,811.60/13,303,446 = 4,558,687.20/x - Step 3: Cross multiply
8,876,811.60x = 13,303,446 × 4,558,687.20 - Step 4: Simplify right side
8,876,811.60x = 60,646,248,996,091.20 - Step 5: Solve for x
x = 60,646,248,996,091.20/8,876,811.60 - Step 6: Final answer
x = 6,831,985.60
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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.