Finding the Fourth Proportional to 16,386,737.81, 22,613,698.19 and 9,143,393.81
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Solution
The fourth proportional to 16,386,737.81, 22,613,698.19 and 9,143,393.81 is: 12,617,883.46
Step by Step Solution
- Step 1: Write the proportion equation
16,386,737.81 : 22,613,698.19 = 9,143,393.81 : x - Step 2: Convert to fraction form
16,386,737.81/22,613,698.19 = 9,143,393.81/x - Step 3: Cross multiply
16,386,737.81x = 22,613,698.19 × 9,143,393.81 - Step 4: Simplify right side
16,386,737.81x = 206,765,948,062,471.47 - Step 5: Solve for x
x = 206,765,948,062,471.47/16,386,737.81 - Step 6: Final answer
x = 12,617,883.46
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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.