Finding the Fourth Proportional to 14,995,837.36, 20,694,353.88 and 8,120,319.76
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Solution
The fourth proportional to 14,995,837.36, 20,694,353.88 and 8,120,319.76 is: 11,206,094.51
Step by Step Solution
- Step 1: Write the proportion equation
14,995,837.36 : 20,694,353.88 = 8,120,319.76 : x - Step 2: Convert to fraction form
14,995,837.36/20,694,353.88 = 8,120,319.76/x - Step 3: Cross multiply
14,995,837.36x = 20,694,353.88 × 8,120,319.76 - Step 4: Simplify right side
14,995,837.36x = 168,044,770,732,196.66 - Step 5: Solve for x
x = 168,044,770,732,196.66/14,995,837.36 - Step 6: Final answer
x = 11,206,094.51
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.