Finding the Fourth Proportional to 40,785,782.48, 56,285,540.08 and 22,202,121.08
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Solution
The fourth proportional to 40,785,782.48, 56,285,540.08 and 22,202,121.08 is: 30,639,558.69
Step by Step Solution
- Step 1: Write the proportion equation
40,785,782.48 : 56,285,540.08 = 22,202,121.08 : x - Step 2: Convert to fraction form
40,785,782.48/56,285,540.08 = 22,202,121.08/x - Step 3: Cross multiply
40,785,782.48x = 56,285,540.08 × 22,202,121.08 - Step 4: Simplify right side
40,785,782.48x = 1,249,658,375,909,352.75 - Step 5: Solve for x
x = 1,249,658,375,909,352.75/40,785,782.48 - Step 6: Final answer
x = 30,639,558.69
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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.