Finding the Fourth Proportional to 15,474,774.52, 21,354,408.64 and 8,599,108.96
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Solution
The fourth proportional to 15,474,774.52, 21,354,408.64 and 8,599,108.96 is: 11,866,336.82
Step by Step Solution
- Step 1: Write the proportion equation
15,474,774.52 : 21,354,408.64 = 8,599,108.96 : x - Step 2: Convert to fraction form
15,474,774.52/21,354,408.64 = 8,599,108.96/x - Step 3: Cross multiply
15,474,774.52x = 21,354,408.64 × 8,599,108.96 - Step 4: Simplify right side
15,474,774.52x = 183,628,886,671,725.44 - Step 5: Solve for x
x = 183,628,886,671,725.44/15,474,774.52 - Step 6: Final answer
x = 11,866,336.82
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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.