Finding the Fourth Proportional to 16,829,109.20, 25,260,252.60 and 8,319,054.80
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Solution
The fourth proportional to 16,829,109.20, 25,260,252.60 and 8,319,054.80 is: 12,486,782.46
Step by Step Solution
- Step 1: Write the proportion equation
16,829,109.20 : 25,260,252.60 = 8,319,054.80 : x - Step 2: Convert to fraction form
16,829,109.20/25,260,252.60 = 8,319,054.80/x - Step 3: Cross multiply
16,829,109.20x = 25,260,252.60 × 8,319,054.80 - Step 4: Simplify right side
16,829,109.20x = 210,141,425,641,242.50 - Step 5: Solve for x
x = 210,141,425,641,242.50/16,829,109.20 - Step 6: Final answer
x = 12,486,782.46
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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.