Finding the Fourth Proportional to 27,749,697.93, 38,293,751.79 and 15,360,299.19
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Solution
The fourth proportional to 27,749,697.93, 38,293,751.79 and 15,360,299.19 is: 21,196,752.70
Step by Step Solution
- Step 1: Write the proportion equation
27,749,697.93 : 38,293,751.79 = 15,360,299.19 : x - Step 2: Convert to fraction form
27,749,697.93/38,293,751.79 = 15,360,299.19/x - Step 3: Cross multiply
27,749,697.93x = 38,293,751.79 × 15,360,299.19 - Step 4: Simplify right side
27,749,697.93x = 588,203,484,544,664.38 - Step 5: Solve for x
x = 588,203,484,544,664.38/27,749,697.93 - Step 6: Final answer
x = 21,196,752.70
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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.