Finding the Fourth Proportional to 23,297,021.07, 32,149,986.51 and 12,842,807.96
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Solution
The fourth proportional to 23,297,021.07, 32,149,986.51 and 12,842,807.96 is: 17,723,128.69
Step by Step Solution
- Step 1: Write the proportion equation
23,297,021.07 : 32,149,986.51 = 12,842,807.96 : x - Step 2: Convert to fraction form
23,297,021.07/32,149,986.51 = 12,842,807.96/x - Step 3: Cross multiply
23,297,021.07x = 32,149,986.51 × 12,842,807.96 - Step 4: Simplify right side
23,297,021.07x = 412,896,102,552,038.62 - Step 5: Solve for x
x = 412,896,102,552,038.62/23,297,021.07 - Step 6: Final answer
x = 17,723,128.69
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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.