Finding the Fourth Proportional to 19,920,094.97, 27,489,787.99 and 11,549,091.54
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Solution
The fourth proportional to 19,920,094.97, 27,489,787.99 and 11,549,091.54 is: 15,937,779.33
Step by Step Solution
- Step 1: Write the proportion equation
19,920,094.97 : 27,489,787.99 = 11,549,091.54 : x - Step 2: Convert to fraction form
19,920,094.97/27,489,787.99 = 11,549,091.54/x - Step 3: Cross multiply
19,920,094.97x = 27,489,787.99 × 11,549,091.54 - Step 4: Simplify right side
19,920,094.97x = 317,482,077,882,829.88 - Step 5: Solve for x
x = 317,482,077,882,829.88/19,920,094.97 - Step 6: Final answer
x = 15,937,779.33
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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.