Finding the Fourth Proportional to 29,488,638.02, 40,694,509.23 and 16,436,724.35
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Solution
The fourth proportional to 29,488,638.02, 40,694,509.23 and 16,436,724.35 is: 22,682,784.82
Step by Step Solution
- Step 1: Write the proportion equation
29,488,638.02 : 40,694,509.23 = 16,436,724.35 : x - Step 2: Convert to fraction form
29,488,638.02/40,694,509.23 = 16,436,724.35/x - Step 3: Cross multiply
29,488,638.02x = 40,694,509.23 × 16,436,724.35 - Step 4: Simplify right side
29,488,638.02x = 668,884,430,772,040.62 - Step 5: Solve for x
x = 668,884,430,772,040.62/29,488,638.02 - Step 6: Final answer
x = 22,682,784.82
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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.