Finding the Fourth Proportional to 19,936,908.80, 29,905,363.20 and 4,790,840.30
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Solution
The fourth proportional to 19,936,908.80, 29,905,363.20 and 4,790,840.30 is: 7,186,260.45
Step by Step Solution
- Step 1: Write the proportion equation
19,936,908.80 : 29,905,363.20 = 4,790,840.30 : x - Step 2: Convert to fraction form
19,936,908.80/29,905,363.20 = 4,790,840.30/x - Step 3: Cross multiply
19,936,908.80x = 29,905,363.20 × 4,790,840.30 - Step 4: Simplify right side
19,936,908.80x = 143,271,819,204,696.94 - Step 5: Solve for x
x = 143,271,819,204,696.94/19,936,908.80 - Step 6: Final answer
x = 7,186,260.45
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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.