Finding the Fourth Proportional to 10,363,875.18, 15,545,812.77 and 5,325,027.18
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Solution
The fourth proportional to 10,363,875.18, 15,545,812.77 and 5,325,027.18 is: 7,987,540.77
Step by Step Solution
- Step 1: Write the proportion equation
10,363,875.18 : 15,545,812.77 = 5,325,027.18 : x - Step 2: Convert to fraction form
10,363,875.18/15,545,812.77 = 5,325,027.18/x - Step 3: Cross multiply
10,363,875.18x = 15,545,812.77 × 5,325,027.18 - Step 4: Simplify right side
10,363,875.18x = 82,781,875,535,441.08 - Step 5: Solve for x
x = 82,781,875,535,441.08/10,363,875.18 - Step 6: Final answer
x = 7,987,540.77
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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.