Finding the Fourth Proportional to 19,767,372.36, 27,279,543.60 and 11,065,493.76
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Solution
The fourth proportional to 19,767,372.36, 27,279,543.60 and 11,065,493.76 is: 15,270,700.32
Step by Step Solution
- Step 1: Write the proportion equation
19,767,372.36 : 27,279,543.60 = 11,065,493.76 : x - Step 2: Convert to fraction form
19,767,372.36/27,279,543.60 = 11,065,493.76/x - Step 3: Cross multiply
19,767,372.36x = 27,279,543.60 × 11,065,493.76 - Step 4: Simplify right side
19,767,372.36x = 301,861,619,481,447.94 - Step 5: Solve for x
x = 301,861,619,481,447.94/19,767,372.36 - Step 6: Final answer
x = 15,270,700.32
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.