Finding the Fourth Proportional to 13,134,129.80, 19,701,194.70 and 8,095,281.80
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Solution
The fourth proportional to 13,134,129.80, 19,701,194.70 and 8,095,281.80 is: 12,142,922.70
Step by Step Solution
- Step 1: Write the proportion equation
13,134,129.80 : 19,701,194.70 = 8,095,281.80 : x - Step 2: Convert to fraction form
13,134,129.80/19,701,194.70 = 8,095,281.80/x - Step 3: Cross multiply
13,134,129.80x = 19,701,194.70 × 8,095,281.80 - Step 4: Simplify right side
13,134,129.80x = 159,486,722,893,166.44 - Step 5: Solve for x
x = 159,486,722,893,166.44/13,134,129.80 - Step 6: Final answer
x = 12,142,922.70
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1.5x scale
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.