Finding the Fourth Proportional to 18,018,475.36, 27,031,699.68 and 9,927,284.80
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Solution
The fourth proportional to 18,018,475.36, 27,031,699.68 and 9,927,284.80 is: 14,893,123.64
Step by Step Solution
- Step 1: Write the proportion equation
18,018,475.36 : 27,031,699.68 = 9,927,284.80 : x - Step 2: Convert to fraction form
18,018,475.36/27,031,699.68 = 9,927,284.80/x - Step 3: Cross multiply
18,018,475.36x = 27,031,699.68 × 9,927,284.80 - Step 4: Simplify right side
18,018,475.36x = 268,351,381,351,428.88 - Step 5: Solve for x
x = 268,351,381,351,428.88/18,018,475.36 - Step 6: Final answer
x = 14,893,123.64
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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.