Finding the Fourth Proportional to 27,885,984.24, 38,476,353.14 and 16,872,460.06
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Solution
The fourth proportional to 27,885,984.24, 38,476,353.14 and 16,872,460.06 is: 23,280,179.97
Step by Step Solution
- Step 1: Write the proportion equation
27,885,984.24 : 38,476,353.14 = 16,872,460.06 : x - Step 2: Convert to fraction form
27,885,984.24/38,476,353.14 = 16,872,460.06/x - Step 3: Cross multiply
27,885,984.24x = 38,476,353.14 × 16,872,460.06 - Step 4: Simplify right side
27,885,984.24x = 649,190,731,609,105.50 - Step 5: Solve for x
x = 649,190,731,609,105.50/27,885,984.24 - Step 6: Final answer
x = 23,280,179.97
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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.