Finding the Fourth Proportional to 10,361,036.20, 15,555,551.10 and 6,581,900.20
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Solution
The fourth proportional to 10,361,036.20, 15,555,551.10 and 6,581,900.20 is: 9,881,741.84
Step by Step Solution
- Step 1: Write the proportion equation
10,361,036.20 : 15,555,551.10 = 6,581,900.20 : x - Step 2: Convert to fraction form
10,361,036.20/15,555,551.10 = 6,581,900.20/x - Step 3: Cross multiply
10,361,036.20x = 15,555,551.10 × 6,581,900.20 - Step 4: Simplify right side
10,361,036.20x = 102,385,084,896,200.22 - Step 5: Solve for x
x = 102,385,084,896,200.22/10,361,036.20 - Step 6: Final answer
x = 9,881,741.84
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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.