Finding the Fourth Proportional to 11,170,807.36, 16,781,434.86 and 6,624,837.88
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Solution
The fourth proportional to 11,170,807.36, 16,781,434.86 and 6,624,837.88 is: 9,952,215.79
Step by Step Solution
- Step 1: Write the proportion equation
11,170,807.36 : 16,781,434.86 = 6,624,837.88 : x - Step 2: Convert to fraction form
11,170,807.36/16,781,434.86 = 6,624,837.88/x - Step 3: Cross multiply
11,170,807.36x = 16,781,434.86 × 6,624,837.88 - Step 4: Simplify right side
11,170,807.36x = 111,174,285,341,280.48 - Step 5: Solve for x
x = 111,174,285,341,280.48/11,170,807.36 - Step 6: Final answer
x = 9,952,215.79
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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.