Finding the Fourth Proportional to 14,391,774.55, 19,860,616.56 and 8,196,820.84
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Solution
The fourth proportional to 14,391,774.55, 19,860,616.56 and 8,196,820.84 is: 11,311,594.35
Step by Step Solution
- Step 1: Write the proportion equation
14,391,774.55 : 19,860,616.56 = 8,196,820.84 : x - Step 2: Convert to fraction form
14,391,774.55/19,860,616.56 = 8,196,820.84/x - Step 3: Cross multiply
14,391,774.55x = 19,860,616.56 × 8,196,820.84 - Step 4: Simplify right side
14,391,774.55x = 162,793,915,714,257.09 - Step 5: Solve for x
x = 162,793,915,714,257.09/14,391,774.55 - Step 6: Final answer
x = 11,311,594.35
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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.