Finding the Fourth Proportional to 15,462,588.82, 21,337,787.97 and 8,587,513.75
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Solution
The fourth proportional to 15,462,588.82, 21,337,787.97 and 8,587,513.75 is: 11,850,444.30
Step by Step Solution
- Step 1: Write the proportion equation
15,462,588.82 : 21,337,787.97 = 8,587,513.75 : x - Step 2: Convert to fraction form
15,462,588.82/21,337,787.97 = 8,587,513.75/x - Step 3: Cross multiply
15,462,588.82x = 21,337,787.97 × 8,587,513.75 - Step 4: Simplify right side
15,462,588.82x = 183,238,547,586,959.56 - Step 5: Solve for x
x = 183,238,547,586,959.56/15,462,588.82 - Step 6: Final answer
x = 11,850,444.30
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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.