Finding the Fourth Proportional to 40,956,207.79, 56,519,184.65 and 22,371,340.81
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Solution
The fourth proportional to 40,956,207.79, 56,519,184.65 and 22,371,340.81 is: 30,872,241.60
Step by Step Solution
- Step 1: Write the proportion equation
40,956,207.79 : 56,519,184.65 = 22,371,340.81 : x - Step 2: Convert to fraction form
40,956,207.79/56,519,184.65 = 22,371,340.81/x - Step 3: Cross multiply
40,956,207.79x = 56,519,184.65 × 22,371,340.81 - Step 4: Simplify right side
40,956,207.79x = 1,264,409,942,108,470.50 - Step 5: Solve for x
x = 1,264,409,942,108,470.50/40,956,207.79 - Step 6: Final answer
x = 30,872,241.60
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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.