Finding the Fourth Proportional to 7,421,294.12, 11,124,172.46 and 3,105,817.02
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Solution
The fourth proportional to 7,421,294.12, 11,124,172.46 and 3,105,817.02 is: 4,655,474.32
Step by Step Solution
- Step 1: Write the proportion equation
7,421,294.12 : 11,124,172.46 = 3,105,817.02 : x - Step 2: Convert to fraction form
7,421,294.12/11,124,172.46 = 3,105,817.02/x - Step 3: Cross multiply
7,421,294.12x = 11,124,172.46 × 3,105,817.02 - Step 4: Simplify right side
7,421,294.12x = 34,549,644,167,447.81 - Step 5: Solve for x
x = 34,549,644,167,447.81/7,421,294.12 - Step 6: Final answer
x = 4,655,474.32
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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.