Finding the Fourth Proportional to 40,957,288.84, 56,516,243.16 and 22,621,480.84
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Solution
The fourth proportional to 40,957,288.84, 56,516,243.16 and 22,621,480.84 is: 31,214,983.90
Step by Step Solution
- Step 1: Write the proportion equation
40,957,288.84 : 56,516,243.16 = 22,621,480.84 : x - Step 2: Convert to fraction form
40,957,288.84/56,516,243.16 = 22,621,480.84/x - Step 3: Cross multiply
40,957,288.84x = 56,516,243.16 × 22,621,480.84 - Step 4: Simplify right side
40,957,288.84x = 1,278,481,111,792,721 - Step 5: Solve for x
x = 1,278,481,111,792,721/40,957,288.84 - Step 6: Final answer
x = 31,214,983.90
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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.