Finding the Fourth Proportional to 19,965,756.41, 29,869,837 and 15,122,019.79
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Solution
The fourth proportional to 19,965,756.41, 29,869,837 and 15,122,019.79 is: 22,623,348.55
Step by Step Solution
- Step 1: Write the proportion equation
19,965,756.41 : 29,869,837 = 15,122,019.79 : x - Step 2: Convert to fraction form
19,965,756.41/29,869,837 = 15,122,019.79/x - Step 3: Cross multiply
19,965,756.41x = 29,869,837 × 15,122,019.79 - Step 4: Simplify right side
19,965,756.41x = 451,692,266,238,074.19 - Step 5: Solve for x
x = 451,692,266,238,074.19/19,965,756.41 - Step 6: Final answer
x = 22,623,348.55
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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.