Finding the Fourth Proportional to 18,018,474.36, 27,031,698.18 and 9,927,283.80
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Solution
The fourth proportional to 18,018,474.36, 27,031,698.18 and 9,927,283.80 is: 14,893,122.14
Step by Step Solution
- Step 1: Write the proportion equation
18,018,474.36 : 27,031,698.18 = 9,927,283.80 : x - Step 2: Convert to fraction form
18,018,474.36/27,031,698.18 = 9,927,283.80/x - Step 3: Cross multiply
18,018,474.36x = 27,031,698.18 × 9,927,283.80 - Step 4: Simplify right side
18,018,474.36x = 268,351,339,428,803.50 - Step 5: Solve for x
x = 268,351,339,428,803.50/18,018,474.36 - Step 6: Final answer
x = 14,893,122.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.