Finding the Fourth Proportional to 19,690,533.98, 27,174,442.88 and 10,871,685.92
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Solution
The fourth proportional to 19,690,533.98, 27,174,442.88 and 10,871,685.92 is: 15,003,758.07
Step by Step Solution
- Step 1: Write the proportion equation
19,690,533.98 : 27,174,442.88 = 10,871,685.92 : x - Step 2: Convert to fraction form
19,690,533.98/27,174,442.88 = 10,871,685.92/x - Step 3: Cross multiply
19,690,533.98x = 27,174,442.88 × 10,871,685.92 - Step 4: Simplify right side
19,690,533.98x = 295,432,008,042,340.25 - Step 5: Solve for x
x = 295,432,008,042,340.25/19,690,533.98 - Step 6: Final answer
x = 15,003,758.07
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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.