Finding the Fourth Proportional to 27,736,177.52, 38,275,716.12 and 15,513,035.12
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Solution
The fourth proportional to 27,736,177.52, 38,275,716.12 and 15,513,035.12 is: 21,407,871.65
Step by Step Solution
- Step 1: Write the proportion equation
27,736,177.52 : 38,275,716.12 = 15,513,035.12 : x - Step 2: Convert to fraction form
27,736,177.52/38,275,716.12 = 15,513,035.12/x - Step 3: Cross multiply
27,736,177.52x = 38,275,716.12 × 15,513,035.12 - Step 4: Simplify right side
27,736,177.52x = 593,772,528,412,710 - Step 5: Solve for x
x = 593,772,528,412,710/27,736,177.52 - Step 6: Final answer
x = 21,407,871.65
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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.