Finding the Fourth Proportional to 26,590,396.99, 36,697,568.97 and 15,586,392.64
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Solution
The fourth proportional to 26,590,396.99, 36,697,568.97 and 15,586,392.64 is: 21,510,875.49
Step by Step Solution
- Step 1: Write the proportion equation
26,590,396.99 : 36,697,568.97 = 15,586,392.64 : x - Step 2: Convert to fraction form
26,590,396.99/36,697,568.97 = 15,586,392.64/x - Step 3: Cross multiply
26,590,396.99x = 36,697,568.97 × 15,586,392.64 - Step 4: Simplify right side
26,590,396.99x = 571,982,718,899,900.38 - Step 5: Solve for x
x = 571,982,718,899,900.38/26,590,396.99 - Step 6: Final answer
x = 21,510,875.49
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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.