Finding the Fourth Proportional to 7,538,171.99, 11,308,518.91 and 5,918,875.27
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Solution
The fourth proportional to 7,538,171.99, 11,308,518.91 and 5,918,875.27 is: 8,879,302.97
Step by Step Solution
- Step 1: Write the proportion equation
7,538,171.99 : 11,308,518.91 = 5,918,875.27 : x - Step 2: Convert to fraction form
7,538,171.99/11,308,518.91 = 5,918,875.27/x - Step 3: Cross multiply
7,538,171.99x = 11,308,518.91 × 5,918,875.27 - Step 4: Simplify right side
7,538,171.99x = 66,933,712,895,853.66 - Step 5: Solve for x
x = 66,933,712,895,853.66/7,538,171.99 - Step 6: Final answer
x = 8,879,302.97
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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.