Finding the Fourth Proportional to 23,302,282.91, 32,170,927.34 and 20,716,806.65
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Solution
The fourth proportional to 23,302,282.91, 32,170,927.34 and 20,716,806.65 is: 28,601,441.50
Step by Step Solution
- Step 1: Write the proportion equation
23,302,282.91 : 32,170,927.34 = 20,716,806.65 : x - Step 2: Convert to fraction form
23,302,282.91/32,170,927.34 = 20,716,806.65/x - Step 3: Cross multiply
23,302,282.91x = 32,170,927.34 × 20,716,806.65 - Step 4: Simplify right side
23,302,282.91x = 666,478,881,344,916.25 - Step 5: Solve for x
x = 666,478,881,344,916.25/23,302,282.91 - Step 6: Final answer
x = 28,601,441.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.