Finding the Fourth Proportional to 21,386,234.67, 32,066,541.14 and 6,806,856.65
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Solution
The fourth proportional to 21,386,234.67, 32,066,541.14 and 6,806,856.65 is: 10,206,207.50
Step by Step Solution
- Step 1: Write the proportion equation
21,386,234.67 : 32,066,541.14 = 6,806,856.65 : x - Step 2: Convert to fraction form
21,386,234.67/32,066,541.14 = 6,806,856.65/x - Step 3: Cross multiply
21,386,234.67x = 32,066,541.14 × 6,806,856.65 - Step 4: Simplify right side
21,386,234.67x = 218,272,348,606,940.59 - Step 5: Solve for x
x = 218,272,348,606,940.59/21,386,234.67 - Step 6: Final answer
x = 10,206,207.50
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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.