Finding the Fourth Proportional to 10,785,358.94, 14,883,771.74 and 5,890,581.45
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Solution
The fourth proportional to 10,785,358.94, 14,883,771.74 and 5,890,581.45 is: 8,128,989.51
Step by Step Solution
- Step 1: Write the proportion equation
10,785,358.94 : 14,883,771.74 = 5,890,581.45 : x - Step 2: Convert to fraction form
10,785,358.94/14,883,771.74 = 5,890,581.45/x - Step 3: Cross multiply
10,785,358.94x = 14,883,771.74 × 5,890,581.45 - Step 4: Simplify right side
10,785,358.94x = 87,674,069,688,225.31 - Step 5: Solve for x
x = 87,674,069,688,225.31/10,785,358.94 - Step 6: Final answer
x = 8,128,989.51
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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.