Finding the Fourth Proportional to 29,920,533.60, 44,880,812.70 and 7,201,430.82
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Solution
The fourth proportional to 29,920,533.60, 44,880,812.70 and 7,201,430.82 is: 10,802,149.19
Step by Step Solution
- Step 1: Write the proportion equation
29,920,533.60 : 44,880,812.70 = 7,201,430.82 : x - Step 2: Convert to fraction form
29,920,533.60/44,880,812.70 = 7,201,430.82/x - Step 3: Cross multiply
29,920,533.60x = 44,880,812.70 × 7,201,430.82 - Step 4: Simplify right side
29,920,533.60x = 323,206,067,804,427.44 - Step 5: Solve for x
x = 323,206,067,804,427.44/29,920,533.60 - Step 6: Final answer
x = 10,802,149.19
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1.5x scale
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.