Finding the Fourth Proportional to 13,346,174.76, 18,416,851.68 and 7,464,789.84
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Solution
The fourth proportional to 13,346,174.76, 18,416,851.68 and 7,464,789.84 is: 10,300,923.66
Step by Step Solution
- Step 1: Write the proportion equation
13,346,174.76 : 18,416,851.68 = 7,464,789.84 : x - Step 2: Convert to fraction form
13,346,174.76/18,416,851.68 = 7,464,789.84/x - Step 3: Cross multiply
13,346,174.76x = 18,416,851.68 × 7,464,789.84 - Step 4: Simplify right side
13,346,174.76x = 137,477,927,305,650.92 - Step 5: Solve for x
x = 137,477,927,305,650.92/13,346,174.76 - Step 6: Final answer
x = 10,300,923.66
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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.