Finding the Fourth Proportional to 27,146,180.99, 37,461,465.79 and 20,207,886.23
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Solution
The fourth proportional to 27,146,180.99, 37,461,465.79 and 20,207,886.23 is: 27,886,686.49
Step by Step Solution
- Step 1: Write the proportion equation
27,146,180.99 : 37,461,465.79 = 20,207,886.23 : x - Step 2: Convert to fraction form
27,146,180.99/37,461,465.79 = 20,207,886.23/x - Step 3: Cross multiply
27,146,180.99x = 37,461,465.79 × 20,207,886.23 - Step 4: Simplify right side
27,146,180.99x = 757,017,038,736,491.12 - Step 5: Solve for x
x = 757,017,038,736,491.12/27,146,180.99 - Step 6: Final answer
x = 27,886,686.49
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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.