Finding the Fourth Proportional to 11,553,513.67, 15,944,346.99 and 6,396,875.11
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Solution
The fourth proportional to 11,553,513.67, 15,944,346.99 and 6,396,875.11 is: 8,827,963.45
Step by Step Solution
- Step 1: Write the proportion equation
11,553,513.67 : 15,944,346.99 = 6,396,875.11 : x - Step 2: Convert to fraction form
11,553,513.67/15,944,346.99 = 6,396,875.11/x - Step 3: Cross multiply
11,553,513.67x = 15,944,346.99 × 6,396,875.11 - Step 4: Simplify right side
11,553,513.67x = 101,993,996,405,534.42 - Step 5: Solve for x
x = 101,993,996,405,534.42/11,553,513.67 - Step 6: Final answer
x = 8,827,963.45
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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.