Finding the Fourth Proportional to 8,130,675.06, 11,220,347.61 and 4,459,621.53
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Solution
The fourth proportional to 8,130,675.06, 11,220,347.61 and 4,459,621.53 is: 6,154,286.50
Step by Step Solution
- Step 1: Write the proportion equation
8,130,675.06 : 11,220,347.61 = 4,459,621.53 : x - Step 2: Convert to fraction form
8,130,675.06/11,220,347.61 = 4,459,621.53/x - Step 3: Cross multiply
8,130,675.06x = 11,220,347.61 × 4,459,621.53 - Step 4: Simplify right side
8,130,675.06x = 50,038,503,775,640.05 - Step 5: Solve for x
x = 50,038,503,775,640.05/8,130,675.06 - Step 6: Final answer
x = 6,154,286.50
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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.