Finding the Fourth Proportional to 6,547,420.68, 9,804,361.95 and 5,465,242.53
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Solution
The fourth proportional to 6,547,420.68, 9,804,361.95 and 5,465,242.53 is: 8,183,866.37
Step by Step Solution
- Step 1: Write the proportion equation
6,547,420.68 : 9,804,361.95 = 5,465,242.53 : x - Step 2: Convert to fraction form
6,547,420.68/9,804,361.95 = 5,465,242.53/x - Step 3: Cross multiply
6,547,420.68x = 9,804,361.95 × 5,465,242.53 - Step 4: Simplify right side
6,547,420.68x = 53,583,215,953,659.29 - Step 5: Solve for x
x = 53,583,215,953,659.29/6,547,420.68 - Step 6: Final answer
x = 8,183,866.37
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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.