Finding the Fourth Proportional to 38,738,594.21, 53,457,535.17 and 22,206,866.81
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Solution
The fourth proportional to 38,738,594.21, 53,457,535.17 and 22,206,866.81 is: 30,644,487.43
Step by Step Solution
- Step 1: Write the proportion equation
38,738,594.21 : 53,457,535.17 = 22,206,866.81 : x - Step 2: Convert to fraction form
38,738,594.21/53,457,535.17 = 22,206,866.81/x - Step 3: Cross multiply
38,738,594.21x = 53,457,535.17 × 22,206,866.81 - Step 4: Simplify right side
38,738,594.21x = 1,187,124,363,243,793 - Step 5: Solve for x
x = 1,187,124,363,243,793/38,738,594.21 - Step 6: Final answer
x = 30,644,487.43
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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.