Finding the Fourth Proportional to 19,492,834.68, 26,899,239.69 and 10,790,392.32
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Solution
The fourth proportional to 19,492,834.68, 26,899,239.69 and 10,790,392.32 is: 14,890,258.61
Step by Step Solution
- Step 1: Write the proportion equation
19,492,834.68 : 26,899,239.69 = 10,790,392.32 : x - Step 2: Convert to fraction form
19,492,834.68/26,899,239.69 = 10,790,392.32/x - Step 3: Cross multiply
19,492,834.68x = 26,899,239.69 × 10,790,392.32 - Step 4: Simplify right side
19,492,834.68x = 290,253,349,364,815.19 - Step 5: Solve for x
x = 290,253,349,364,815.19/19,492,834.68 - Step 6: Final answer
x = 14,890,258.61
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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.