Finding the Fourth Proportional to 15,766,002.96, 23,641,656.08 and 8,190,934.80
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Solution
The fourth proportional to 15,766,002.96, 23,641,656.08 and 8,190,934.80 is: 12,282,584.50
Step by Step Solution
- Step 1: Write the proportion equation
15,766,002.96 : 23,641,656.08 = 8,190,934.80 : x - Step 2: Convert to fraction form
15,766,002.96/23,641,656.08 = 8,190,934.80/x - Step 3: Cross multiply
15,766,002.96x = 23,641,656.08 × 8,190,934.80 - Step 4: Simplify right side
15,766,002.96x = 193,647,263,515,303.56 - Step 5: Solve for x
x = 193,647,263,515,303.56/15,766,002.96 - Step 6: Final answer
x = 12,282,584.50
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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.