Finding the Fourth Proportional to 19,728,289.29, 27,225,988.12 and 10,907,577.35
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Solution
The fourth proportional to 19,728,289.29, 27,225,988.12 and 10,907,577.35 is: 15,052,981.38
Step by Step Solution
- Step 1: Write the proportion equation
19,728,289.29 : 27,225,988.12 = 10,907,577.35 : x - Step 2: Convert to fraction form
19,728,289.29/27,225,988.12 = 10,907,577.35/x - Step 3: Cross multiply
19,728,289.29x = 27,225,988.12 × 10,907,577.35 - Step 4: Simplify right side
19,728,289.29x = 296,969,571,328,683.06 - Step 5: Solve for x
x = 296,969,571,328,683.06/19,728,289.29 - Step 6: Final answer
x = 15,052,981.38
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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.