Finding the Fourth Proportional to 19,571,181.98, 27,004,988.05 and 11,312,014.76
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Solution
The fourth proportional to 19,571,181.98, 27,004,988.05 and 11,312,014.76 is: 15,608,705.88
Step by Step Solution
- Step 1: Write the proportion equation
19,571,181.98 : 27,004,988.05 = 11,312,014.76 : x - Step 2: Convert to fraction form
19,571,181.98/27,004,988.05 = 11,312,014.76/x - Step 3: Cross multiply
19,571,181.98x = 27,004,988.05 × 11,312,014.76 - Step 4: Simplify right side
19,571,181.98x = 305,480,823,251,918.69 - Step 5: Solve for x
x = 305,480,823,251,918.69/19,571,181.98 - Step 6: Final answer
x = 15,608,705.88
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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.