Finding the Fourth Proportional to 19,356,049.74, 29,033,287.14 and 4,782,602.21
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Solution
The fourth proportional to 19,356,049.74, 29,033,287.14 and 4,782,602.21 is: 7,173,708.73
Step by Step Solution
- Step 1: Write the proportion equation
19,356,049.74 : 29,033,287.14 = 4,782,602.21 : x - Step 2: Convert to fraction form
19,356,049.74/29,033,287.14 = 4,782,602.21/x - Step 3: Cross multiply
19,356,049.74x = 29,033,287.14 × 4,782,602.21 - Step 4: Simplify right side
19,356,049.74x = 138,854,663,112,096.91 - Step 5: Solve for x
x = 138,854,663,112,096.91/19,356,049.74 - Step 6: Final answer
x = 7,173,708.73
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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.