Finding the Fourth Proportional to 15,504,291.51, 21,395,922.57 and 8,630,397.42
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Solution
The fourth proportional to 15,504,291.51, 21,395,922.57 and 8,630,397.42 is: 11,909,948.60
Step by Step Solution
- Step 1: Write the proportion equation
15,504,291.51 : 21,395,922.57 = 8,630,397.42 : x - Step 2: Convert to fraction form
15,504,291.51/21,395,922.57 = 8,630,397.42/x - Step 3: Cross multiply
15,504,291.51x = 21,395,922.57 × 8,630,397.42 - Step 4: Simplify right side
15,504,291.51x = 184,655,314,946,647.78 - Step 5: Solve for x
x = 184,655,314,946,647.78/15,504,291.51 - Step 6: Final answer
x = 11,909,948.60
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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.