Finding the Fourth Proportional to 7,759,671.12, 10,706,457.54 and 5,110,245.12
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Solution
The fourth proportional to 7,759,671.12, 10,706,457.54 and 5,110,245.12 is: 7,050,894.50
Step by Step Solution
- Step 1: Write the proportion equation
7,759,671.12 : 10,706,457.54 = 5,110,245.12 : x - Step 2: Convert to fraction form
7,759,671.12/10,706,457.54 = 5,110,245.12/x - Step 3: Cross multiply
7,759,671.12x = 10,706,457.54 × 5,110,245.12 - Step 4: Simplify right side
7,759,671.12x = 54,712,622,396,272.20 - Step 5: Solve for x
x = 54,712,622,396,272.20/7,759,671.12 - Step 6: Final answer
x = 7,050,894.50
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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.