Finding the Fourth Proportional to 29,331,219.70, 43,996,829.55 and 21,772,947.70
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Solution
The fourth proportional to 29,331,219.70, 43,996,829.55 and 21,772,947.70 is: 32,659,421.55
Step by Step Solution
- Step 1: Write the proportion equation
29,331,219.70 : 43,996,829.55 = 21,772,947.70 : x - Step 2: Convert to fraction form
29,331,219.70/43,996,829.55 = 21,772,947.70/x - Step 3: Cross multiply
29,331,219.70x = 43,996,829.55 × 21,772,947.70 - Step 4: Simplify right side
29,331,219.70x = 957,940,668,757,964.38 - Step 5: Solve for x
x = 957,940,668,757,964.38/29,331,219.70 - Step 6: Final answer
x = 32,659,421.55
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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.