Finding the Fourth Proportional to 10,112,686.96, 15,167,369.68 and 4,353,869.91
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Solution
The fourth proportional to 10,112,686.96, 15,167,369.68 and 4,353,869.91 is: 6,530,089.85
Step by Step Solution
- Step 1: Write the proportion equation
10,112,686.96 : 15,167,369.68 = 4,353,869.91 : x - Step 2: Convert to fraction form
10,112,686.96/15,167,369.68 = 4,353,869.91/x - Step 3: Cross multiply
10,112,686.96x = 15,167,369.68 × 4,353,869.91 - Step 4: Simplify right side
10,112,686.96x = 66,036,754,463,598.33 - Step 5: Solve for x
x = 66,036,754,463,598.33/10,112,686.96 - Step 6: Final answer
x = 6,530,089.85
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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.