Finding the Fourth Proportional to 13,177,089.42, 18,184,569.08 and 7,592,249.34
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Solution
The fourth proportional to 13,177,089.42, 18,184,569.08 and 7,592,249.34 is: 10,477,411.07
Step by Step Solution
- Step 1: Write the proportion equation
13,177,089.42 : 18,184,569.08 = 7,592,249.34 : x - Step 2: Convert to fraction form
13,177,089.42/18,184,569.08 = 7,592,249.34/x - Step 3: Cross multiply
13,177,089.42x = 18,184,569.08 × 7,592,249.34 - Step 4: Simplify right side
13,177,089.42x = 138,061,782,557,853.16 - Step 5: Solve for x
x = 138,061,782,557,853.16/13,177,089.42 - Step 6: Final answer
x = 10,477,411.07
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1.5x scale
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.