Finding the Fourth Proportional to 19,178,880.08, 26,473,161.84 and 15,265,814
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Solution
The fourth proportional to 19,178,880.08, 26,473,161.84 and 15,265,814 is: 21,071,843.77
Step by Step Solution
- Step 1: Write the proportion equation
19,178,880.08 : 26,473,161.84 = 15,265,814 : x - Step 2: Convert to fraction form
19,178,880.08/26,473,161.84 = 15,265,814/x - Step 3: Cross multiply
19,178,880.08x = 26,473,161.84 × 15,265,814 - Step 4: Simplify right side
19,178,880.08x = 404,134,364,641,337.75 - Step 5: Solve for x
x = 404,134,364,641,337.75/19,178,880.08 - Step 6: Final answer
x = 21,071,843.77
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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.