Finding the Fourth Proportional to 18,343,896.48, 27,518,501.88 and 6,828,406.56
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Solution
The fourth proportional to 18,343,896.48, 27,518,501.88 and 6,828,406.56 is: 10,243,598.95
Step by Step Solution
- Step 1: Write the proportion equation
18,343,896.48 : 27,518,501.88 = 6,828,406.56 : x - Step 2: Convert to fraction form
18,343,896.48/27,518,501.88 = 6,828,406.56/x - Step 3: Cross multiply
18,343,896.48x = 27,518,501.88 × 6,828,406.56 - Step 4: Simplify right side
18,343,896.48x = 187,907,518,758,764.31 - Step 5: Solve for x
x = 187,907,518,758,764.31/18,343,896.48 - Step 6: Final answer
x = 10,243,598.95
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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.