Finding the Fourth Proportional to 27,713,541.57, 38,243,896.11 and 15,323,421.12
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Solution
The fourth proportional to 27,713,541.57, 38,243,896.11 and 15,323,421.12 is: 21,145,883.64
Step by Step Solution
- Step 1: Write the proportion equation
27,713,541.57 : 38,243,896.11 = 15,323,421.12 : x - Step 2: Convert to fraction form
27,713,541.57/38,243,896.11 = 15,323,421.12/x - Step 3: Cross multiply
27,713,541.57x = 38,243,896.11 × 15,323,421.12 - Step 4: Simplify right side
27,713,541.57x = 586,027,325,363,059.75 - Step 5: Solve for x
x = 586,027,325,363,059.75/27,713,541.57 - Step 6: Final answer
x = 21,145,883.64
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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.