Finding the Fourth Proportional to 8,457,585.84, 11,671,555.68 and 4,590,140.40
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Solution
The fourth proportional to 8,457,585.84, 11,671,555.68 and 4,590,140.40 is: 6,334,441.09
Step by Step Solution
- Step 1: Write the proportion equation
8,457,585.84 : 11,671,555.68 = 4,590,140.40 : x - Step 2: Convert to fraction form
8,457,585.84/11,671,555.68 = 4,590,140.40/x - Step 3: Cross multiply
8,457,585.84x = 11,671,555.68 × 4,590,140.40 - Step 4: Simplify right side
8,457,585.84x = 53,574,079,257,617.48 - Step 5: Solve for x
x = 53,574,079,257,617.48/8,457,585.84 - Step 6: Final answer
x = 6,334,441.09
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1.5x scale
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.