Finding the Fourth Proportional to 29,349,644.68, 40,493,426.94 and 16,955,215.75
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Solution
The fourth proportional to 29,349,644.68, 40,493,426.94 and 16,955,215.75 is: 23,392,950.67
Step by Step Solution
- Step 1: Write the proportion equation
29,349,644.68 : 40,493,426.94 = 16,955,215.75 : x - Step 2: Convert to fraction form
29,349,644.68/40,493,426.94 = 16,955,215.75/x - Step 3: Cross multiply
29,349,644.68x = 40,493,426.94 × 16,955,215.75 - Step 4: Simplify right side
29,349,644.68x = 686,574,790,224,562.25 - Step 5: Solve for x
x = 686,574,790,224,562.25/29,349,644.68 - Step 6: Final answer
x = 23,392,950.67
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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.