Finding the Fourth Proportional to 15,506,918.67, 23,260,372.53 and 4,147,072.05
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Solution
The fourth proportional to 15,506,918.67, 23,260,372.53 and 4,147,072.05 is: 6,220,606.61
Step by Step Solution
- Step 1: Write the proportion equation
15,506,918.67 : 23,260,372.53 = 4,147,072.05 : x - Step 2: Convert to fraction form
15,506,918.67/23,260,372.53 = 4,147,072.05/x - Step 3: Cross multiply
15,506,918.67x = 23,260,372.53 × 4,147,072.05 - Step 4: Simplify right side
15,506,918.67x = 96,462,440,863,425.67 - Step 5: Solve for x
x = 96,462,440,863,425.67/15,506,918.67 - Step 6: Final answer
x = 6,220,606.61
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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.