Finding the Fourth Proportional to 22,727,372.28, 31,354,488.79 and 16,781,029.99
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Solution
The fourth proportional to 22,727,372.28, 31,354,488.79 and 16,781,029.99 is: 23,150,965.73
Step by Step Solution
- Step 1: Write the proportion equation
22,727,372.28 : 31,354,488.79 = 16,781,029.99 : x - Step 2: Convert to fraction form
22,727,372.28/31,354,488.79 = 16,781,029.99/x - Step 3: Cross multiply
22,727,372.28x = 31,354,488.79 × 16,781,029.99 - Step 4: Simplify right side
22,727,372.28x = 526,160,616,664,156.19 - Step 5: Solve for x
x = 526,160,616,664,156.19/22,727,372.28 - Step 6: Final answer
x = 23,150,965.73
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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.