Finding the Fourth Proportional to 7,786,089.16, 11,683,316.58 and 3,240,271.96
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Solution
The fourth proportional to 7,786,089.16, 11,683,316.58 and 3,240,271.96 is: 4,862,148.68
Step by Step Solution
- Step 1: Write the proportion equation
7,786,089.16 : 11,683,316.58 = 3,240,271.96 : x - Step 2: Convert to fraction form
7,786,089.16/11,683,316.58 = 3,240,271.96/x - Step 3: Cross multiply
7,786,089.16x = 11,683,316.58 × 3,240,271.96 - Step 4: Simplify right side
7,786,089.16x = 37,857,123,113,977.09 - Step 5: Solve for x
x = 37,857,123,113,977.09/7,786,089.16 - Step 6: Final answer
x = 4,862,148.68
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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.