Finding the Fourth Proportional to 26,959,400.70, 40,439,101.05 and 7,790,783.10
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Solution
The fourth proportional to 26,959,400.70, 40,439,101.05 and 7,790,783.10 is: 11,686,174.65
Step by Step Solution
- Step 1: Write the proportion equation
26,959,400.70 : 40,439,101.05 = 7,790,783.10 : x - Step 2: Convert to fraction form
26,959,400.70/40,439,101.05 = 7,790,783.10/x - Step 3: Cross multiply
26,959,400.70x = 40,439,101.05 × 7,790,783.10 - Step 4: Simplify right side
26,959,400.70x = 315,052,265,039,532.19 - Step 5: Solve for x
x = 315,052,265,039,532.19/26,959,400.70 - Step 6: Final answer
x = 11,686,174.65
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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.