Finding the Fourth Proportional to 13,269,173.68, 19,896,625.40 and 7,806,157.03
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Solution
The fourth proportional to 13,269,173.68, 19,896,625.40 and 7,806,157.03 is: 11,705,038.00
Step by Step Solution
- Step 1: Write the proportion equation
13,269,173.68 : 19,896,625.40 = 7,806,157.03 : x - Step 2: Convert to fraction form
13,269,173.68/19,896,625.40 = 7,806,157.03/x - Step 3: Cross multiply
13,269,173.68x = 19,896,625.40 × 7,806,157.03 - Step 4: Simplify right side
13,269,173.68x = 155,316,182,200,455.78 - Step 5: Solve for x
x = 155,316,182,200,455.78/13,269,173.68 - Step 6: Final answer
x = 11,705,038.00
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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.