Finding the Fourth Proportional to 26,043,612.86, 39,065,398.79 and 7,847,808.24
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Solution
The fourth proportional to 26,043,612.86, 39,065,398.79 and 7,847,808.24 is: 11,771,706.18
Step by Step Solution
- Step 1: Write the proportion equation
26,043,612.86 : 39,065,398.79 = 7,847,808.24 : x - Step 2: Convert to fraction form
26,043,612.86/39,065,398.79 = 7,847,808.24/x - Step 3: Cross multiply
26,043,612.86x = 39,065,398.79 × 7,847,808.24 - Step 4: Simplify right side
26,043,612.86x = 306,577,758,483,809 - Step 5: Solve for x
x = 306,577,758,483,809/26,043,612.86 - Step 6: Final answer
x = 11,771,706.18
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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.