Finding the Fourth Proportional to 27,683,337.09, 38,197,464.53 and 15,458,313.09
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Solution
The fourth proportional to 27,683,337.09, 38,197,464.53 and 15,458,313.09 is: 21,329,378.17
Step by Step Solution
- Step 1: Write the proportion equation
27,683,337.09 : 38,197,464.53 = 15,458,313.09 : x - Step 2: Convert to fraction form
27,683,337.09/38,197,464.53 = 15,458,313.09/x - Step 3: Cross multiply
27,683,337.09x = 38,197,464.53 × 15,458,313.09 - Step 4: Simplify right side
27,683,337.09x = 590,468,365,871,618.12 - Step 5: Solve for x
x = 590,468,365,871,618.12/27,683,337.09 - Step 6: Final answer
x = 21,329,378.17
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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.