Finding the Fourth Proportional to 18,362,928.12, 27,547,754.58 and 7,574,343.48
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Solution
The fourth proportional to 18,362,928.12, 27,547,754.58 and 7,574,343.48 is: 11,362,902.14
Step by Step Solution
- Step 1: Write the proportion equation
18,362,928.12 : 27,547,754.58 = 7,574,343.48 : x - Step 2: Convert to fraction form
18,362,928.12/27,547,754.58 = 7,574,343.48/x - Step 3: Cross multiply
18,362,928.12x = 27,547,754.58 × 7,574,343.48 - Step 4: Simplify right side
18,362,928.12x = 208,656,155,291,663.12 - Step 5: Solve for x
x = 208,656,155,291,663.12/18,362,928.12 - Step 6: Final answer
x = 11,362,902.14
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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.