Finding the Fourth Proportional to 30,155,322.96, 41,639,478 and 27,967,117.68
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Solution
The fourth proportional to 30,155,322.96, 41,639,478 and 27,967,117.68 is: 38,617,931.00
Step by Step Solution
- Step 1: Write the proportion equation
30,155,322.96 : 41,639,478 = 27,967,117.68 : x - Step 2: Convert to fraction form
30,155,322.96/41,639,478 = 27,967,117.68/x - Step 3: Cross multiply
30,155,322.96x = 41,639,478 × 27,967,117.68 - Step 4: Simplify right side
30,155,322.96x = 1,164,536,181,359,771 - Step 5: Solve for x
x = 1,164,536,181,359,771/30,155,322.96 - Step 6: Final answer
x = 38,617,931.00
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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.