Finding the Fourth Proportional to 9,754,579.08, 13,461,142.68 and 5,403,652.20
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Solution
The fourth proportional to 9,754,579.08, 13,461,142.68 and 5,403,652.20 is: 7,456,942.29
Step by Step Solution
- Step 1: Write the proportion equation
9,754,579.08 : 13,461,142.68 = 5,403,652.20 : x - Step 2: Convert to fraction form
9,754,579.08/13,461,142.68 = 5,403,652.20/x - Step 3: Cross multiply
9,754,579.08x = 13,461,142.68 × 5,403,652.20 - Step 4: Simplify right side
9,754,579.08x = 72,739,333,257,295.89 - Step 5: Solve for x
x = 72,739,333,257,295.89/9,754,579.08 - Step 6: Final answer
x = 7,456,942.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.