Finding the Fourth Proportional to 16,300,471.41, 22,495,189.87 and 8,958,564.79
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Solution
The fourth proportional to 16,300,471.41, 22,495,189.87 and 8,958,564.79 is: 12,363,115.81
Step by Step Solution
- Step 1: Write the proportion equation
16,300,471.41 : 22,495,189.87 = 8,958,564.79 : x - Step 2: Convert to fraction form
16,300,471.41/22,495,189.87 = 8,958,564.79/x - Step 3: Cross multiply
16,300,471.41x = 22,495,189.87 × 8,958,564.79 - Step 4: Simplify right side
16,300,471.41x = 201,524,615,868,953.81 - Step 5: Solve for x
x = 201,524,615,868,953.81/16,300,471.41 - Step 6: Final answer
x = 12,363,115.81
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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.