Finding the Fourth Proportional to 11,698,439.11, 16,138,406.79 and 7,569,803.36
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Solution
The fourth proportional to 11,698,439.11, 16,138,406.79 and 7,569,803.36 is: 10,442,809.07
Step by Step Solution
- Step 1: Write the proportion equation
11,698,439.11 : 16,138,406.79 = 7,569,803.36 : x - Step 2: Convert to fraction form
11,698,439.11/16,138,406.79 = 7,569,803.36/x - Step 3: Cross multiply
11,698,439.11x = 16,138,406.79 × 7,569,803.36 - Step 4: Simplify right side
11,698,439.11x = 122,164,565,984,334.83 - Step 5: Solve for x
x = 122,164,565,984,334.83/11,698,439.11 - Step 6: Final answer
x = 10,442,809.07
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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.