Finding the Fourth Proportional to 11,383,648.64, 15,709,228.80 and 6,226,965.08
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Solution
The fourth proportional to 11,383,648.64, 15,709,228.80 and 6,226,965.08 is: 8,593,098.95
Step by Step Solution
- Step 1: Write the proportion equation
11,383,648.64 : 15,709,228.80 = 6,226,965.08 : x - Step 2: Convert to fraction form
11,383,648.64/15,709,228.80 = 6,226,965.08/x - Step 3: Cross multiply
11,383,648.64x = 15,709,228.80 × 6,226,965.08 - Step 4: Simplify right side
11,383,648.64x = 97,820,819,171,330.31 - Step 5: Solve for x
x = 97,820,819,171,330.31/11,383,648.64 - Step 6: Final answer
x = 8,593,098.95
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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.