Finding the Fourth Proportional to 15,504,267.96, 21,395,889.84 and 8,630,373.88
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Solution
The fourth proportional to 15,504,267.96, 21,395,889.84 and 8,630,373.88 is: 11,909,915.99
Step by Step Solution
- Step 1: Write the proportion equation
15,504,267.96 : 21,395,889.84 = 8,630,373.88 : x - Step 2: Convert to fraction form
15,504,267.96/21,395,889.84 = 8,630,373.88/x - Step 3: Cross multiply
15,504,267.96x = 21,395,889.84 × 8,630,373.88 - Step 4: Simplify right side
15,504,267.96x = 184,654,528,814,493.41 - Step 5: Solve for x
x = 184,654,528,814,493.41/15,504,267.96 - Step 6: Final answer
x = 11,909,915.99
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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.