Finding the Fourth Proportional to 5,631,869.68, 8,433,807.48 and 5,154,053.68
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Solution
The fourth proportional to 5,631,869.68, 8,433,807.48 and 5,154,053.68 is: 7,718,271.01
Step by Step Solution
- Step 1: Write the proportion equation
5,631,869.68 : 8,433,807.48 = 5,154,053.68 : x - Step 2: Convert to fraction form
5,631,869.68/8,433,807.48 = 5,154,053.68/x - Step 3: Cross multiply
5,631,869.68x = 8,433,807.48 × 5,154,053.68 - Step 4: Simplify right side
5,631,869.68x = 43,468,296,478,705.52 - Step 5: Solve for x
x = 43,468,296,478,705.52/5,631,869.68 - Step 6: Final answer
x = 7,718,271.01
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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.