Finding the Fourth Proportional to 43,538,029.68, 65,266,614.18 and 19,263,991.80
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Solution
The fourth proportional to 43,538,029.68, 65,266,614.18 and 19,263,991.80 is: 28,878,098.75
Step by Step Solution
- Step 1: Write the proportion equation
43,538,029.68 : 65,266,614.18 = 19,263,991.80 : x - Step 2: Convert to fraction form
43,538,029.68/65,266,614.18 = 19,263,991.80/x - Step 3: Cross multiply
43,538,029.68x = 65,266,614.18 × 19,263,991.80 - Step 4: Simplify right side
43,538,029.68x = 1,257,295,520,377,283.75 - Step 5: Solve for x
x = 1,257,295,520,377,283.75/43,538,029.68 - Step 6: Final answer
x = 28,878,098.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.