Finding the Fourth Proportional to 19,815,408.74, 27,319,956 and 12,833,753.06
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Solution
The fourth proportional to 19,815,408.74, 27,319,956 and 12,833,753.06 is: 17,694,188.07
Step by Step Solution
- Step 1: Write the proportion equation
19,815,408.74 : 27,319,956 = 12,833,753.06 : x - Step 2: Convert to fraction form
19,815,408.74/27,319,956 = 12,833,753.06/x - Step 3: Cross multiply
19,815,408.74x = 27,319,956 × 12,833,753.06 - Step 4: Simplify right side
19,815,408.74x = 350,617,568,914,065.38 - Step 5: Solve for x
x = 350,617,568,914,065.38/19,815,408.74 - Step 6: Final answer
x = 17,694,188.07
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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.