Finding the Fourth Proportional to 10,328,221.12, 14,252,746.62 and 5,681,734.60
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Solution
The fourth proportional to 10,328,221.12, 14,252,746.62 and 5,681,734.60 is: 7,840,684.54
Step by Step Solution
- Step 1: Write the proportion equation
10,328,221.12 : 14,252,746.62 = 5,681,734.60 : x - Step 2: Convert to fraction form
10,328,221.12/14,252,746.62 = 5,681,734.60/x - Step 3: Cross multiply
10,328,221.12x = 14,252,746.62 × 5,681,734.60 - Step 4: Simplify right side
10,328,221.12x = 80,980,323,615,887.05 - Step 5: Solve for x
x = 80,980,323,615,887.05/10,328,221.12 - Step 6: Final answer
x = 7,840,684.54
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1.5x scale
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.