Finding the Fourth Proportional to 8,301,652.80, 11,454,811.20 and 4,679,980.80
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Solution
The fourth proportional to 8,301,652.80, 11,454,811.20 and 4,679,980.80 is: 6,457,544.99
Step by Step Solution
- Step 1: Write the proportion equation
8,301,652.80 : 11,454,811.20 = 4,679,980.80 : x - Step 2: Convert to fraction form
8,301,652.80/11,454,811.20 = 4,679,980.80/x - Step 3: Cross multiply
8,301,652.80x = 11,454,811.20 × 4,679,980.80 - Step 4: Simplify right side
8,301,652.80x = 53,608,296,483,624.95 - Step 5: Solve for x
x = 53,608,296,483,624.95/8,301,652.80 - Step 6: Final answer
x = 6,457,544.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.