Finding the Fourth Proportional to 34,398,831.65, 47,469,787.02 and 18,717,327.09
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Solution
The fourth proportional to 34,398,831.65, 47,469,787.02 and 18,717,327.09 is: 25,829,584.55
Step by Step Solution
- Step 1: Write the proportion equation
34,398,831.65 : 47,469,787.02 = 18,717,327.09 : x - Step 2: Convert to fraction form
34,398,831.65/47,469,787.02 = 18,717,327.09/x - Step 3: Cross multiply
34,398,831.65x = 47,469,787.02 × 18,717,327.09 - Step 4: Simplify right side
34,398,831.65x = 888,507,530,545,976.38 - Step 5: Solve for x
x = 888,507,530,545,976.38/34,398,831.65 - Step 6: Final answer
x = 25,829,584.55
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1.5x scale
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.