Finding the Fourth Proportional to 40,792,228.08, 56,291,249.88 and 22,457,119.92
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Solution
The fourth proportional to 40,792,228.08, 56,291,249.88 and 22,457,119.92 is: 30,989,710.75
Step by Step Solution
- Step 1: Write the proportion equation
40,792,228.08 : 56,291,249.88 = 22,457,119.92 : x - Step 2: Convert to fraction form
40,792,228.08/56,291,249.88 = 22,457,119.92/x - Step 3: Cross multiply
40,792,228.08x = 56,291,249.88 × 22,457,119.92 - Step 4: Simplify right side
40,792,228.08x = 1,264,139,349,001,845.75 - Step 5: Solve for x
x = 1,264,139,349,001,845.75/40,792,228.08 - Step 6: Final answer
x = 30,989,710.75
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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.