Finding the Fourth Proportional to 19,722,428.68, 29,583,643.26 and 5,345,496.43
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Solution
The fourth proportional to 19,722,428.68, 29,583,643.26 and 5,345,496.43 is: 8,018,244.71
Step by Step Solution
- Step 1: Write the proportion equation
19,722,428.68 : 29,583,643.26 = 5,345,496.43 : x - Step 2: Convert to fraction form
19,722,428.68/29,583,643.26 = 5,345,496.43/x - Step 3: Cross multiply
19,722,428.68x = 29,583,643.26 × 5,345,496.43 - Step 4: Simplify right side
19,722,428.68x = 158,139,259,432,723.56 - Step 5: Solve for x
x = 158,139,259,432,723.56/19,722,428.68 - Step 6: Final answer
x = 8,018,244.71
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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.