Finding the Fourth Proportional to 46,516,646.52, 69,769,474.74 and 12,440,633.40
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Solution
The fourth proportional to 46,516,646.52, 69,769,474.74 and 12,440,633.40 is: 18,659,480.48
Step by Step Solution
- Step 1: Write the proportion equation
46,516,646.52 : 69,769,474.74 = 12,440,633.40 : x - Step 2: Convert to fraction form
46,516,646.52/69,769,474.74 = 12,440,633.40/x - Step 3: Cross multiply
46,516,646.52x = 69,769,474.74 × 12,440,633.40 - Step 4: Simplify right side
46,516,646.52x = 867,976,457,750,900.25 - Step 5: Solve for x
x = 867,976,457,750,900.25/46,516,646.52 - Step 6: Final answer
x = 18,659,480.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.